Home / 1,083,426.60-1,625,139.90-452,130.60

Finding the Fourth Proportional to 1,083,426.60, 1,625,139.90 and 452,130.60

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Solution

The fourth proportional to 1,083,426.60, 1,625,139.90 and 452,130.60 is: 678,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,426.60 : 1,625,139.90 = 452,130.60 : x
  2. Step 2: Convert to fraction form
    1,083,426.60/1,625,139.90 = 452,130.60/x
  3. Step 3: Cross multiply
    1,083,426.60x = 1,625,139.90 × 452,130.60
  4. Step 4: Simplify right side
    1,083,426.60x = 734,775,478,070.94
  5. Step 5: Solve for x
    x = 734,775,478,070.94/1,083,426.60
  6. Step 6: Final answer
    x = 678,195.90

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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.