Home / 1,678,906.50-2,316,823.35-914,943.66

Finding the Fourth Proportional to 1,678,906.50, 2,316,823.35 and 914,943.66

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Solution

The fourth proportional to 1,678,906.50, 2,316,823.35 and 914,943.66 is: 1,262,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,906.50 : 2,316,823.35 = 914,943.66 : x
  2. Step 2: Convert to fraction form
    1,678,906.50/2,316,823.35 = 914,943.66/x
  3. Step 3: Cross multiply
    1,678,906.50x = 2,316,823.35 × 914,943.66
  4. Step 4: Simplify right side
    1,678,906.50x = 2,119,762,835,422.46
  5. Step 5: Solve for x
    x = 2,119,762,835,422.46/1,678,906.50
  6. Step 6: Final answer
    x = 1,262,585.40

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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.