Home / 889,641.96-1,228,005.32-540,781.13

Finding the Fourth Proportional to 889,641.96, 1,228,005.32 and 540,781.13

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Solution

The fourth proportional to 889,641.96, 1,228,005.32 and 540,781.13 is: 746,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,641.96 : 1,228,005.32 = 540,781.13 : x
  2. Step 2: Convert to fraction form
    889,641.96/1,228,005.32 = 540,781.13/x
  3. Step 3: Cross multiply
    889,641.96x = 1,228,005.32 × 540,781.13
  4. Step 4: Simplify right side
    889,641.96x = 664,082,104,595.61
  5. Step 5: Solve for x
    x = 664,082,104,595.61/889,641.96
  6. Step 6: Final answer
    x = 746,459.96

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Double scale
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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.