Home / 885,445.95-1,221,909.69-503,472.69

Finding the Fourth Proportional to 885,445.95, 1,221,909.69 and 503,472.69

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Solution

The fourth proportional to 885,445.95, 1,221,909.69 and 503,472.69 is: 694,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,445.95 : 1,221,909.69 = 503,472.69 : x
  2. Step 2: Convert to fraction form
    885,445.95/1,221,909.69 = 503,472.69/x
  3. Step 3: Cross multiply
    885,445.95x = 1,221,909.69 × 503,472.69
  4. Step 4: Simplify right side
    885,445.95x = 615,198,158,561.37
  5. Step 5: Solve for x
    x = 615,198,158,561.37/885,445.95
  6. Step 6: Final answer
    x = 694,789.06

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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.