Home / 690,920.28-1,036,681.59-241,963.20

Finding the Fourth Proportional to 690,920.28, 1,036,681.59 and 241,963.20

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Solution

The fourth proportional to 690,920.28, 1,036,681.59 and 241,963.20 is: 363,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,920.28 : 1,036,681.59 = 241,963.20 : x
  2. Step 2: Convert to fraction form
    690,920.28/1,036,681.59 = 241,963.20/x
  3. Step 3: Cross multiply
    690,920.28x = 1,036,681.59 × 241,963.20
  4. Step 4: Simplify right side
    690,920.28x = 250,838,794,897.49
  5. Step 5: Solve for x
    x = 250,838,794,897.49/690,920.28
  6. Step 6: Final answer
    x = 363,050.27

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Double scale
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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.