Home / 1,251,026-1,726,406.16-678,051.44

Finding the Fourth Proportional to 1,251,026, 1,726,406.16 and 678,051.44

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Solution

The fourth proportional to 1,251,026, 1,726,406.16 and 678,051.44 is: 935,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,026 : 1,726,406.16 = 678,051.44 : x
  2. Step 2: Convert to fraction form
    1,251,026/1,726,406.16 = 678,051.44/x
  3. Step 3: Cross multiply
    1,251,026x = 1,726,406.16 × 678,051.44
  4. Step 4: Simplify right side
    1,251,026x = 1,170,592,182,812.87
  5. Step 5: Solve for x
    x = 1,170,592,182,812.87/1,251,026
  6. Step 6: Final answer
    x = 935,705.72

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Half scale
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Double scale
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Similar ratio
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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.