Home / 657,554.20-986,643.30-455,461.06

Finding the Fourth Proportional to 657,554.20, 986,643.30 and 455,461.06

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Solution

The fourth proportional to 657,554.20, 986,643.30 and 455,461.06 is: 683,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,554.20 : 986,643.30 = 455,461.06 : x
  2. Step 2: Convert to fraction form
    657,554.20/986,643.30 = 455,461.06/x
  3. Step 3: Cross multiply
    657,554.20x = 986,643.30 × 455,461.06
  4. Step 4: Simplify right side
    657,554.20x = 449,377,603,259.90
  5. Step 5: Solve for x
    x = 449,377,603,259.90/657,554.20
  6. Step 6: Final answer
    x = 683,407.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.