Home / 736,143.45-1,015,871.85-413,854.98

Finding the Fourth Proportional to 736,143.45, 1,015,871.85 and 413,854.98

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Solution

The fourth proportional to 736,143.45, 1,015,871.85 and 413,854.98 is: 571,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,143.45 : 1,015,871.85 = 413,854.98 : x
  2. Step 2: Convert to fraction form
    736,143.45/1,015,871.85 = 413,854.98/x
  3. Step 3: Cross multiply
    736,143.45x = 1,015,871.85 × 413,854.98
  4. Step 4: Simplify right side
    736,143.45x = 420,423,624,164.31
  5. Step 5: Solve for x
    x = 420,423,624,164.31/736,143.45
  6. Step 6: Final answer
    x = 571,116.44

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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.