Home / 927,713.30-1,391,569.95-554,465.30

Finding the Fourth Proportional to 927,713.30, 1,391,569.95 and 554,465.30

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Solution

The fourth proportional to 927,713.30, 1,391,569.95 and 554,465.30 is: 831,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,713.30 : 1,391,569.95 = 554,465.30 : x
  2. Step 2: Convert to fraction form
    927,713.30/1,391,569.95 = 554,465.30/x
  3. Step 3: Cross multiply
    927,713.30x = 1,391,569.95 × 554,465.30
  4. Step 4: Simplify right side
    927,713.30x = 771,577,249,797.74
  5. Step 5: Solve for x
    x = 771,577,249,797.74/927,713.30
  6. Step 6: Final answer
    x = 831,697.95

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Double scale
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Similar ratio
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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.