Home / 1,058,000.10-1,587,000.15-560,336.10

Finding the Fourth Proportional to 1,058,000.10, 1,587,000.15 and 560,336.10

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Solution

The fourth proportional to 1,058,000.10, 1,587,000.15 and 560,336.10 is: 840,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,000.10 : 1,587,000.15 = 560,336.10 : x
  2. Step 2: Convert to fraction form
    1,058,000.10/1,587,000.15 = 560,336.10/x
  3. Step 3: Cross multiply
    1,058,000.10x = 1,587,000.15 × 560,336.10
  4. Step 4: Simplify right side
    1,058,000.10x = 889,253,474,750.42
  5. Step 5: Solve for x
    x = 889,253,474,750.42/1,058,000.10
  6. Step 6: Final answer
    x = 840,504.15

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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.