Home / 425,040.11-586,554.39-231,444.80

Finding the Fourth Proportional to 425,040.11, 586,554.39 and 231,444.80

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Solution

The fourth proportional to 425,040.11, 586,554.39 and 231,444.80 is: 319,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,040.11 : 586,554.39 = 231,444.80 : x
  2. Step 2: Convert to fraction form
    425,040.11/586,554.39 = 231,444.80/x
  3. Step 3: Cross multiply
    425,040.11x = 586,554.39 × 231,444.80
  4. Step 4: Simplify right side
    425,040.11x = 135,754,963,482.67
  5. Step 5: Solve for x
    x = 135,754,963,482.67/425,040.11
  6. Step 6: Final answer
    x = 319,393.30

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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.