Home / 935,398.90-1,403,624.58-508,965.49

Finding the Fourth Proportional to 935,398.90, 1,403,624.58 and 508,965.49

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Solution

The fourth proportional to 935,398.90, 1,403,624.58 and 508,965.49 is: 763,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,398.90 : 1,403,624.58 = 508,965.49 : x
  2. Step 2: Convert to fraction form
    935,398.90/1,403,624.58 = 508,965.49/x
  3. Step 3: Cross multiply
    935,398.90x = 1,403,624.58 × 508,965.49
  4. Step 4: Simplify right side
    935,398.90x = 714,396,472,135.74
  5. Step 5: Solve for x
    x = 714,396,472,135.74/935,398.90
  6. Step 6: Final answer
    x = 763,734.57

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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.