Home / 715,113.38-986,574.30-460,612.28

Finding the Fourth Proportional to 715,113.38, 986,574.30 and 460,612.28

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Solution

The fourth proportional to 715,113.38, 986,574.30 and 460,612.28 is: 635,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,113.38 : 986,574.30 = 460,612.28 : x
  2. Step 2: Convert to fraction form
    715,113.38/986,574.30 = 460,612.28/x
  3. Step 3: Cross multiply
    715,113.38x = 986,574.30 × 460,612.28
  4. Step 4: Simplify right side
    715,113.38x = 454,428,237,712.40
  5. Step 5: Solve for x
    x = 454,428,237,712.40/715,113.38
  6. Step 6: Final answer
    x = 635,463.20

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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.