Home / 626,831.59-865,003.33-340,345.12

Finding the Fourth Proportional to 626,831.59, 865,003.33 and 340,345.12

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Solution

The fourth proportional to 626,831.59, 865,003.33 and 340,345.12 is: 469,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,831.59 : 865,003.33 = 340,345.12 : x
  2. Step 2: Convert to fraction form
    626,831.59/865,003.33 = 340,345.12/x
  3. Step 3: Cross multiply
    626,831.59x = 865,003.33 × 340,345.12
  4. Step 4: Simplify right side
    626,831.59x = 294,399,660,412.17
  5. Step 5: Solve for x
    x = 294,399,660,412.17/626,831.59
  6. Step 6: Final answer
    x = 469,663.09

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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.