Home / 817,788.12-1,128,193.02-576,032.28

Finding the Fourth Proportional to 817,788.12, 1,128,193.02 and 576,032.28

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Solution

The fourth proportional to 817,788.12, 1,128,193.02 and 576,032.28 is: 794,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,788.12 : 1,128,193.02 = 576,032.28 : x
  2. Step 2: Convert to fraction form
    817,788.12/1,128,193.02 = 576,032.28/x
  3. Step 3: Cross multiply
    817,788.12x = 1,128,193.02 × 576,032.28
  4. Step 4: Simplify right side
    817,788.12x = 649,875,597,590.69
  5. Step 5: Solve for x
    x = 649,875,597,590.69/817,788.12
  6. Step 6: Final answer
    x = 794,674.78

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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.