Home / 935,193.60-1,290,401.28-553,236.48

Finding the Fourth Proportional to 935,193.60, 1,290,401.28 and 553,236.48

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Solution

The fourth proportional to 935,193.60, 1,290,401.28 and 553,236.48 is: 763,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,193.60 : 1,290,401.28 = 553,236.48 : x
  2. Step 2: Convert to fraction form
    935,193.60/1,290,401.28 = 553,236.48/x
  3. Step 3: Cross multiply
    935,193.60x = 1,290,401.28 × 553,236.48
  4. Step 4: Simplify right side
    935,193.60x = 713,897,061,934.69
  5. Step 5: Solve for x
    x = 713,897,061,934.69/935,193.60
  6. Step 6: Final answer
    x = 763,368.21

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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.