Home / 1,023,520.50-1,535,280.75-358,672.50

Finding the Fourth Proportional to 1,023,520.50, 1,535,280.75 and 358,672.50

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Solution

The fourth proportional to 1,023,520.50, 1,535,280.75 and 358,672.50 is: 538,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,520.50 : 1,535,280.75 = 358,672.50 : x
  2. Step 2: Convert to fraction form
    1,023,520.50/1,535,280.75 = 358,672.50/x
  3. Step 3: Cross multiply
    1,023,520.50x = 1,535,280.75 × 358,672.50
  4. Step 4: Simplify right side
    1,023,520.50x = 550,662,984,804.38
  5. Step 5: Solve for x
    x = 550,662,984,804.38/1,023,520.50
  6. Step 6: Final answer
    x = 538,008.75

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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.