Home / 659,840.26-990,460.29-584,428.35

Finding the Fourth Proportional to 659,840.26, 990,460.29 and 584,428.35

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Solution

The fourth proportional to 659,840.26, 990,460.29 and 584,428.35 is: 877,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,840.26 : 990,460.29 = 584,428.35 : x
  2. Step 2: Convert to fraction form
    659,840.26/990,460.29 = 584,428.35/x
  3. Step 3: Cross multiply
    659,840.26x = 990,460.29 × 584,428.35
  4. Step 4: Simplify right side
    659,840.26x = 578,853,073,025.22
  5. Step 5: Solve for x
    x = 578,853,073,025.22/659,840.26
  6. Step 6: Final answer
    x = 877,262.43

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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.