Home / 736,141.95-1,015,869.78-413,853.48

Finding the Fourth Proportional to 736,141.95, 1,015,869.78 and 413,853.48

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Solution

The fourth proportional to 736,141.95, 1,015,869.78 and 413,853.48 is: 571,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,141.95 : 1,015,869.78 = 413,853.48 : x
  2. Step 2: Convert to fraction form
    736,141.95/1,015,869.78 = 413,853.48/x
  3. Step 3: Cross multiply
    736,141.95x = 1,015,869.78 × 413,853.48
  4. Step 4: Simplify right side
    736,141.95x = 420,421,243,679.83
  5. Step 5: Solve for x
    x = 420,421,243,679.83/736,141.95
  6. Step 6: Final answer
    x = 571,114.37

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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.