Home / 824,821.48-1,138,333.54-462,306.92

Finding the Fourth Proportional to 824,821.48, 1,138,333.54 and 462,306.92

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Solution

The fourth proportional to 824,821.48, 1,138,333.54 and 462,306.92 is: 638,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,821.48 : 1,138,333.54 = 462,306.92 : x
  2. Step 2: Convert to fraction form
    824,821.48/1,138,333.54 = 462,306.92/x
  3. Step 3: Cross multiply
    824,821.48x = 1,138,333.54 × 462,306.92
  4. Step 4: Simplify right side
    824,821.48x = 526,259,472,810.10
  5. Step 5: Solve for x
    x = 526,259,472,810.10/824,821.48
  6. Step 6: Final answer
    x = 638,028.33

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Half scale
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Double scale
Find fourth proportional to 824,822.48, 1,138,334.92 and 462,307.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.