Home / 781,510.41-1,078,529.85-437,343.44

Finding the Fourth Proportional to 781,510.41, 1,078,529.85 and 437,343.44

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Solution

The fourth proportional to 781,510.41, 1,078,529.85 and 437,343.44 is: 603,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,510.41 : 1,078,529.85 = 437,343.44 : x
  2. Step 2: Convert to fraction form
    781,510.41/1,078,529.85 = 437,343.44/x
  3. Step 3: Cross multiply
    781,510.41x = 1,078,529.85 × 437,343.44
  4. Step 4: Simplify right side
    781,510.41x = 471,687,949,349.04
  5. Step 5: Solve for x
    x = 471,687,949,349.04/781,510.41
  6. Step 6: Final answer
    x = 603,559.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.