Home / 1,459,665.40-2,189,498.10-1,058,423.80

Finding the Fourth Proportional to 1,459,665.40, 2,189,498.10 and 1,058,423.80

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Solution

The fourth proportional to 1,459,665.40, 2,189,498.10 and 1,058,423.80 is: 1,587,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,665.40 : 2,189,498.10 = 1,058,423.80 : x
  2. Step 2: Convert to fraction form
    1,459,665.40/2,189,498.10 = 1,058,423.80/x
  3. Step 3: Cross multiply
    1,459,665.40x = 2,189,498.10 × 1,058,423.80
  4. Step 4: Simplify right side
    1,459,665.40x = 2,317,416,899,094.78
  5. Step 5: Solve for x
    x = 2,317,416,899,094.78/1,459,665.40
  6. Step 6: Final answer
    x = 1,587,635.70

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Double scale
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Similar ratio
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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.