Home / 689,335.08-951,166.14-383,371.32

Finding the Fourth Proportional to 689,335.08, 951,166.14 and 383,371.32

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Solution

The fourth proportional to 689,335.08, 951,166.14 and 383,371.32 is: 528,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,335.08 : 951,166.14 = 383,371.32 : x
  2. Step 2: Convert to fraction form
    689,335.08/951,166.14 = 383,371.32/x
  3. Step 3: Cross multiply
    689,335.08x = 951,166.14 × 383,371.32
  4. Step 4: Simplify right side
    689,335.08x = 364,649,818,631.11
  5. Step 5: Solve for x
    x = 364,649,818,631.11/689,335.08
  6. Step 6: Final answer
    x = 528,987.76

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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.