Home / 865,833.36-1,298,750.04-524,345.61

Finding the Fourth Proportional to 865,833.36, 1,298,750.04 and 524,345.61

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Solution

The fourth proportional to 865,833.36, 1,298,750.04 and 524,345.61 is: 786,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,833.36 : 1,298,750.04 = 524,345.61 : x
  2. Step 2: Convert to fraction form
    865,833.36/1,298,750.04 = 524,345.61/x
  3. Step 3: Cross multiply
    865,833.36x = 1,298,750.04 × 524,345.61
  4. Step 4: Simplify right side
    865,833.36x = 680,993,881,961.32
  5. Step 5: Solve for x
    x = 680,993,881,961.32/865,833.36
  6. Step 6: Final answer
    x = 786,518.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.