Home / 1,781,001.64-2,670,838.14-715,683.16

Finding the Fourth Proportional to 1,781,001.64, 2,670,838.14 and 715,683.16

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Solution

The fourth proportional to 1,781,001.64, 2,670,838.14 and 715,683.16 is: 1,073,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,001.64 : 2,670,838.14 = 715,683.16 : x
  2. Step 2: Convert to fraction form
    1,781,001.64/2,670,838.14 = 715,683.16/x
  3. Step 3: Cross multiply
    1,781,001.64x = 2,670,838.14 × 715,683.16
  4. Step 4: Simplify right side
    1,781,001.64x = 1,911,473,879,883.72
  5. Step 5: Solve for x
    x = 1,911,473,879,883.72/1,781,001.64
  6. Step 6: Final answer
    x = 1,073,257.79

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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.