Home / 1,058,415.60-1,587,623.40-498,543.60

Finding the Fourth Proportional to 1,058,415.60, 1,587,623.40 and 498,543.60

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Solution

The fourth proportional to 1,058,415.60, 1,587,623.40 and 498,543.60 is: 747,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,415.60 : 1,587,623.40 = 498,543.60 : x
  2. Step 2: Convert to fraction form
    1,058,415.60/1,587,623.40 = 498,543.60/x
  3. Step 3: Cross multiply
    1,058,415.60x = 1,587,623.40 × 498,543.60
  4. Step 4: Simplify right side
    1,058,415.60x = 791,499,485,280.24
  5. Step 5: Solve for x
    x = 791,499,485,280.24/1,058,415.60
  6. Step 6: Final answer
    x = 747,815.40

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Double scale
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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.