Home / 824,685.66-1,138,066.38-502,395.66

Finding the Fourth Proportional to 824,685.66, 1,138,066.38 and 502,395.66

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Solution

The fourth proportional to 824,685.66, 1,138,066.38 and 502,395.66 is: 693,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,685.66 : 1,138,066.38 = 502,395.66 : x
  2. Step 2: Convert to fraction form
    824,685.66/1,138,066.38 = 502,395.66/x
  3. Step 3: Cross multiply
    824,685.66x = 1,138,066.38 × 502,395.66
  4. Step 4: Simplify right side
    824,685.66x = 571,759,610,103.91
  5. Step 5: Solve for x
    x = 571,759,610,103.91/824,685.66
  6. Step 6: Final answer
    x = 693,306.11

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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.