Home / 723,613.71-1,085,472.83-191,127.81

Finding the Fourth Proportional to 723,613.71, 1,085,472.83 and 191,127.81

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Solution

The fourth proportional to 723,613.71, 1,085,472.83 and 191,127.81 is: 286,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,613.71 : 1,085,472.83 = 191,127.81 : x
  2. Step 2: Convert to fraction form
    723,613.71/1,085,472.83 = 191,127.81/x
  3. Step 3: Cross multiply
    723,613.71x = 1,085,472.83 × 191,127.81
  4. Step 4: Simplify right side
    723,613.71x = 207,464,044,812.40
  5. Step 5: Solve for x
    x = 207,464,044,812.40/723,613.71
  6. Step 6: Final answer
    x = 286,705.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.