Home / 526,839.47-789,460.95-348,708.32

Finding the Fourth Proportional to 526,839.47, 789,460.95 and 348,708.32

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Solution

The fourth proportional to 526,839.47, 789,460.95 and 348,708.32 is: 522,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,839.47 : 789,460.95 = 348,708.32 : x
  2. Step 2: Convert to fraction form
    526,839.47/789,460.95 = 348,708.32/x
  3. Step 3: Cross multiply
    526,839.47x = 789,460.95 × 348,708.32
  4. Step 4: Simplify right side
    526,839.47x = 275,291,601,580.10
  5. Step 5: Solve for x
    x = 275,291,601,580.10/526,839.47
  6. Step 6: Final answer
    x = 522,534.13

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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.