Home / 619,240.60-927,986.10-458,058.70

Finding the Fourth Proportional to 619,240.60, 927,986.10 and 458,058.70

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Solution

The fourth proportional to 619,240.60, 927,986.10 and 458,058.70 is: 686,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,240.60 : 927,986.10 = 458,058.70 : x
  2. Step 2: Convert to fraction form
    619,240.60/927,986.10 = 458,058.70/x
  3. Step 3: Cross multiply
    619,240.60x = 927,986.10 × 458,058.70
  4. Step 4: Simplify right side
    619,240.60x = 425,072,106,584.07
  5. Step 5: Solve for x
    x = 425,072,106,584.07/619,240.60
  6. Step 6: Final answer
    x = 686,440.95

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1.5x scale

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.