Home / 923,428.40-1,386,265.80-586,468.40

Finding the Fourth Proportional to 923,428.40, 1,386,265.80 and 586,468.40

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Solution

The fourth proportional to 923,428.40, 1,386,265.80 and 586,468.40 is: 880,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,428.40 : 1,386,265.80 = 586,468.40 : x
  2. Step 2: Convert to fraction form
    923,428.40/1,386,265.80 = 586,468.40/x
  3. Step 3: Cross multiply
    923,428.40x = 1,386,265.80 × 586,468.40
  4. Step 4: Simplify right side
    923,428.40x = 813,001,085,700.72
  5. Step 5: Solve for x
    x = 813,001,085,700.72/923,428.40
  6. Step 6: Final answer
    x = 880,415.94

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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.