Home / 1,058,836.60-1,588,254.90-427,425.40

Finding the Fourth Proportional to 1,058,836.60, 1,588,254.90 and 427,425.40

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Solution

The fourth proportional to 1,058,836.60, 1,588,254.90 and 427,425.40 is: 641,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,836.60 : 1,588,254.90 = 427,425.40 : x
  2. Step 2: Convert to fraction form
    1,058,836.60/1,588,254.90 = 427,425.40/x
  3. Step 3: Cross multiply
    1,058,836.60x = 1,588,254.90 × 427,425.40
  4. Step 4: Simplify right side
    1,058,836.60x = 678,860,485,934.46
  5. Step 5: Solve for x
    x = 678,860,485,934.46/1,058,836.60
  6. Step 6: Final answer
    x = 641,138.10

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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.