Home / 904,951.67-1,248,865.16-497,091.20

Finding the Fourth Proportional to 904,951.67, 1,248,865.16 and 497,091.20

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Solution

The fourth proportional to 904,951.67, 1,248,865.16 and 497,091.20 is: 686,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,951.67 : 1,248,865.16 = 497,091.20 : x
  2. Step 2: Convert to fraction form
    904,951.67/1,248,865.16 = 497,091.20/x
  3. Step 3: Cross multiply
    904,951.67x = 1,248,865.16 × 497,091.20
  4. Step 4: Simplify right side
    904,951.67x = 620,799,887,024.32
  5. Step 5: Solve for x
    x = 620,799,887,024.32/904,951.67
  6. Step 6: Final answer
    x = 686,003.36

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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.