Home / 670,577.23-925,739.28-517,271.27

Finding the Fourth Proportional to 670,577.23, 925,739.28 and 517,271.27

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Solution

The fourth proportional to 670,577.23, 925,739.28 and 517,271.27 is: 714,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,577.23 : 925,739.28 = 517,271.27 : x
  2. Step 2: Convert to fraction form
    670,577.23/925,739.28 = 517,271.27/x
  3. Step 3: Cross multiply
    670,577.23x = 925,739.28 × 517,271.27
  4. Step 4: Simplify right side
    670,577.23x = 478,858,328,425.79
  5. Step 5: Solve for x
    x = 478,858,328,425.79/670,577.23
  6. Step 6: Final answer
    x = 714,098.70

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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.