Home / 773,488.36-1,066,700.10-515,510.20

Finding the Fourth Proportional to 773,488.36, 1,066,700.10 and 515,510.20

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Solution

The fourth proportional to 773,488.36, 1,066,700.10 and 515,510.20 is: 710,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,488.36 : 1,066,700.10 = 515,510.20 : x
  2. Step 2: Convert to fraction form
    773,488.36/1,066,700.10 = 515,510.20/x
  3. Step 3: Cross multiply
    773,488.36x = 1,066,700.10 × 515,510.20
  4. Step 4: Simplify right side
    773,488.36x = 549,894,781,891.02
  5. Step 5: Solve for x
    x = 549,894,781,891.02/773,488.36
  6. Step 6: Final answer
    x = 710,928.32

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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.