Home / 884,368.35-1,220,471.58-497,305.63

Finding the Fourth Proportional to 884,368.35, 1,220,471.58 and 497,305.63

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Solution

The fourth proportional to 884,368.35, 1,220,471.58 and 497,305.63 is: 686,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,368.35 : 1,220,471.58 = 497,305.63 : x
  2. Step 2: Convert to fraction form
    884,368.35/1,220,471.58 = 497,305.63/x
  3. Step 3: Cross multiply
    884,368.35x = 1,220,471.58 × 497,305.63
  4. Step 4: Simplify right side
    884,368.35x = 606,947,391,188.62
  5. Step 5: Solve for x
    x = 606,947,391,188.62/884,368.35
  6. Step 6: Final answer
    x = 686,306.10

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Double scale
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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.