Home / 827,219.40-1,240,829.10-472,269.30

Finding the Fourth Proportional to 827,219.40, 1,240,829.10 and 472,269.30

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Solution

The fourth proportional to 827,219.40, 1,240,829.10 and 472,269.30 is: 708,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,219.40 : 1,240,829.10 = 472,269.30 : x
  2. Step 2: Convert to fraction form
    827,219.40/1,240,829.10 = 472,269.30/x
  3. Step 3: Cross multiply
    827,219.40x = 1,240,829.10 × 472,269.30
  4. Step 4: Simplify right side
    827,219.40x = 586,005,490,476.63
  5. Step 5: Solve for x
    x = 586,005,490,476.63/827,219.40
  6. Step 6: Final answer
    x = 708,403.95

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Double scale
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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.