Home / 607,517.40-911,276.10-575,040.45

Finding the Fourth Proportional to 607,517.40, 911,276.10 and 575,040.45

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Solution

The fourth proportional to 607,517.40, 911,276.10 and 575,040.45 is: 862,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,517.40 : 911,276.10 = 575,040.45 : x
  2. Step 2: Convert to fraction form
    607,517.40/911,276.10 = 575,040.45/x
  3. Step 3: Cross multiply
    607,517.40x = 911,276.10 × 575,040.45
  4. Step 4: Simplify right side
    607,517.40x = 524,020,618,618.25
  5. Step 5: Solve for x
    x = 524,020,618,618.25/607,517.40
  6. Step 6: Final answer
    x = 862,560.68

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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.