Home / 805,437.60-1,208,073.18-272,944.80

Finding the Fourth Proportional to 805,437.60, 1,208,073.18 and 272,944.80

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Solution

The fourth proportional to 805,437.60, 1,208,073.18 and 272,944.80 is: 409,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,437.60 : 1,208,073.18 = 272,944.80 : x
  2. Step 2: Convert to fraction form
    805,437.60/1,208,073.18 = 272,944.80/x
  3. Step 3: Cross multiply
    805,437.60x = 1,208,073.18 × 272,944.80
  4. Step 4: Simplify right side
    805,437.60x = 329,737,292,500.46
  5. Step 5: Solve for x
    x = 329,737,292,500.46/805,437.60
  6. Step 6: Final answer
    x = 409,389.00

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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.