Home / 885,110.40-1,221,562.08-540,875.52

Finding the Fourth Proportional to 885,110.40, 1,221,562.08 and 540,875.52

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Solution

The fourth proportional to 885,110.40, 1,221,562.08 and 540,875.52 is: 746,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,110.40 : 1,221,562.08 = 540,875.52 : x
  2. Step 2: Convert to fraction form
    885,110.40/1,221,562.08 = 540,875.52/x
  3. Step 3: Cross multiply
    885,110.40x = 1,221,562.08 × 540,875.52
  4. Step 4: Simplify right side
    885,110.40x = 660,713,025,232.28
  5. Step 5: Solve for x
    x = 660,713,025,232.28/885,110.40
  6. Step 6: Final answer
    x = 746,475.27

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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.