Home / 1,121,280.58-1,547,319.13-662,542.75

Finding the Fourth Proportional to 1,121,280.58, 1,547,319.13 and 662,542.75

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Solution

The fourth proportional to 1,121,280.58, 1,547,319.13 and 662,542.75 is: 914,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,280.58 : 1,547,319.13 = 662,542.75 : x
  2. Step 2: Convert to fraction form
    1,121,280.58/1,547,319.13 = 662,542.75/x
  3. Step 3: Cross multiply
    1,121,280.58x = 1,547,319.13 × 662,542.75
  4. Step 4: Simplify right side
    1,121,280.58x = 1,025,165,071,517.81
  5. Step 5: Solve for x
    x = 1,025,165,071,517.81/1,121,280.58
  6. Step 6: Final answer
    x = 914,280.59

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Double scale
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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.