Home / 1,058,877.60-1,587,733.20-427,077.60

Finding the Fourth Proportional to 1,058,877.60, 1,587,733.20 and 427,077.60

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Solution

The fourth proportional to 1,058,877.60, 1,587,733.20 and 427,077.60 is: 640,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,877.60 : 1,587,733.20 = 427,077.60 : x
  2. Step 2: Convert to fraction form
    1,058,877.60/1,587,733.20 = 427,077.60/x
  3. Step 3: Cross multiply
    1,058,877.60x = 1,587,733.20 × 427,077.60
  4. Step 4: Simplify right side
    1,058,877.60x = 678,085,284,496.32
  5. Step 5: Solve for x
    x = 678,085,284,496.32/1,058,877.60
  6. Step 6: Final answer
    x = 640,381.18

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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.