Home / 889,459.32-1,227,454.38-487,051.32

Finding the Fourth Proportional to 889,459.32, 1,227,454.38 and 487,051.32

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Solution

The fourth proportional to 889,459.32, 1,227,454.38 and 487,051.32 is: 672,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,459.32 : 1,227,454.38 = 487,051.32 : x
  2. Step 2: Convert to fraction form
    889,459.32/1,227,454.38 = 487,051.32/x
  3. Step 3: Cross multiply
    889,459.32x = 1,227,454.38 × 487,051.32
  4. Step 4: Simplify right side
    889,459.32x = 597,833,276,018.78
  5. Step 5: Solve for x
    x = 597,833,276,018.78/889,459.32
  6. Step 6: Final answer
    x = 672,131.11

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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.