Home / 696,721.71-1,045,084.17-191,289.62

Finding the Fourth Proportional to 696,721.71, 1,045,084.17 and 191,289.62

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Solution

The fourth proportional to 696,721.71, 1,045,084.17 and 191,289.62 is: 286,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,721.71 : 1,045,084.17 = 191,289.62 : x
  2. Step 2: Convert to fraction form
    696,721.71/1,045,084.17 = 191,289.62/x
  3. Step 3: Cross multiply
    696,721.71x = 1,045,084.17 × 191,289.62
  4. Step 4: Simplify right side
    696,721.71x = 199,913,748,521.90
  5. Step 5: Solve for x
    x = 199,913,748,521.90/696,721.71
  6. Step 6: Final answer
    x = 286,934.86

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1.5x scale

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.