Home / 705,801.60-1,058,702.40-493,225.20

Finding the Fourth Proportional to 705,801.60, 1,058,702.40 and 493,225.20

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Solution

The fourth proportional to 705,801.60, 1,058,702.40 and 493,225.20 is: 739,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,801.60 : 1,058,702.40 = 493,225.20 : x
  2. Step 2: Convert to fraction form
    705,801.60/1,058,702.40 = 493,225.20/x
  3. Step 3: Cross multiply
    705,801.60x = 1,058,702.40 × 493,225.20
  4. Step 4: Simplify right side
    705,801.60x = 522,178,702,980.48
  5. Step 5: Solve for x
    x = 522,178,702,980.48/705,801.60
  6. Step 6: Final answer
    x = 739,837.80

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Double scale
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Similar ratio
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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.