Home / 747,681.07-1,031,661.84-425,372.35

Finding the Fourth Proportional to 747,681.07, 1,031,661.84 and 425,372.35

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Solution

The fourth proportional to 747,681.07, 1,031,661.84 and 425,372.35 is: 586,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,681.07 : 1,031,661.84 = 425,372.35 : x
  2. Step 2: Convert to fraction form
    747,681.07/1,031,661.84 = 425,372.35/x
  3. Step 3: Cross multiply
    747,681.07x = 1,031,661.84 × 425,372.35
  4. Step 4: Simplify right side
    747,681.07x = 438,840,421,286.12
  5. Step 5: Solve for x
    x = 438,840,421,286.12/747,681.07
  6. Step 6: Final answer
    x = 586,935.31

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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.