Home / 920,427.60-1,270,344.96-593,648.76

Finding the Fourth Proportional to 920,427.60, 1,270,344.96 and 593,648.76

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Solution

The fourth proportional to 920,427.60, 1,270,344.96 and 593,648.76 is: 819,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,427.60 : 1,270,344.96 = 593,648.76 : x
  2. Step 2: Convert to fraction form
    920,427.60/1,270,344.96 = 593,648.76/x
  3. Step 3: Cross multiply
    920,427.60x = 1,270,344.96 × 593,648.76
  4. Step 4: Simplify right side
    920,427.60x = 754,138,710,276.25
  5. Step 5: Solve for x
    x = 754,138,710,276.25/920,427.60
  6. Step 6: Final answer
    x = 819,335.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.