Home / 1,015,628.76-1,402,014.15-710,901.90

Finding the Fourth Proportional to 1,015,628.76, 1,402,014.15 and 710,901.90

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Solution

The fourth proportional to 1,015,628.76, 1,402,014.15 and 710,901.90 is: 981,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,628.76 : 1,402,014.15 = 710,901.90 : x
  2. Step 2: Convert to fraction form
    1,015,628.76/1,402,014.15 = 710,901.90/x
  3. Step 3: Cross multiply
    1,015,628.76x = 1,402,014.15 × 710,901.90
  4. Step 4: Simplify right side
    1,015,628.76x = 996,694,523,061.89
  5. Step 5: Solve for x
    x = 996,694,523,061.89/1,015,628.76
  6. Step 6: Final answer
    x = 981,357.13

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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.