Home / 981,389.73-1,354,117.46-573,412.74

Finding the Fourth Proportional to 981,389.73, 1,354,117.46 and 573,412.74

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Solution

The fourth proportional to 981,389.73, 1,354,117.46 and 573,412.74 is: 791,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,389.73 : 1,354,117.46 = 573,412.74 : x
  2. Step 2: Convert to fraction form
    981,389.73/1,354,117.46 = 573,412.74/x
  3. Step 3: Cross multiply
    981,389.73x = 1,354,117.46 × 573,412.74
  4. Step 4: Simplify right side
    981,389.73x = 776,468,200,153.38
  5. Step 5: Solve for x
    x = 776,468,200,153.38/981,389.73
  6. Step 6: Final answer
    x = 791,192.51

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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.