Home / 1,678,641.50-2,316,528.15-914,695.04

Finding the Fourth Proportional to 1,678,641.50, 2,316,528.15 and 914,695.04

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Solution

The fourth proportional to 1,678,641.50, 2,316,528.15 and 914,695.04 is: 1,262,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,641.50 : 2,316,528.15 = 914,695.04 : x
  2. Step 2: Convert to fraction form
    1,678,641.50/2,316,528.15 = 914,695.04/x
  3. Step 3: Cross multiply
    1,678,641.50x = 2,316,528.15 × 914,695.04
  4. Step 4: Simplify right side
    1,678,641.50x = 2,118,916,808,825.38
  5. Step 5: Solve for x
    x = 2,118,916,808,825.38/1,678,641.50
  6. Step 6: Final answer
    x = 1,262,280.72

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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.