Home / 1,001,619.84-1,381,800.96-662,561.28

Finding the Fourth Proportional to 1,001,619.84, 1,381,800.96 and 662,561.28

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Solution

The fourth proportional to 1,001,619.84, 1,381,800.96 and 662,561.28 is: 914,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,619.84 : 1,381,800.96 = 662,561.28 : x
  2. Step 2: Convert to fraction form
    1,001,619.84/1,381,800.96 = 662,561.28/x
  3. Step 3: Cross multiply
    1,001,619.84x = 1,381,800.96 × 662,561.28
  4. Step 4: Simplify right side
    1,001,619.84x = 915,527,812,762.83
  5. Step 5: Solve for x
    x = 915,527,812,762.83/1,001,619.84
  6. Step 6: Final answer
    x = 914,047.20

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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.