Home / 769,318.94-1,061,681.35-425,177.18

Finding the Fourth Proportional to 769,318.94, 1,061,681.35 and 425,177.18

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Solution

The fourth proportional to 769,318.94, 1,061,681.35 and 425,177.18 is: 586,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,318.94 : 1,061,681.35 = 425,177.18 : x
  2. Step 2: Convert to fraction form
    769,318.94/1,061,681.35 = 425,177.18/x
  3. Step 3: Cross multiply
    769,318.94x = 1,061,681.35 × 425,177.18
  4. Step 4: Simplify right side
    769,318.94x = 451,402,677,143.19
  5. Step 5: Solve for x
    x = 451,402,677,143.19/769,318.94
  6. Step 6: Final answer
    x = 586,756.23

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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.