Home / 1,035,323.84-1,428,527.28-653,129.12

Finding the Fourth Proportional to 1,035,323.84, 1,428,527.28 and 653,129.12

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Solution

The fourth proportional to 1,035,323.84, 1,428,527.28 and 653,129.12 is: 901,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,323.84 : 1,428,527.28 = 653,129.12 : x
  2. Step 2: Convert to fraction form
    1,035,323.84/1,428,527.28 = 653,129.12/x
  3. Step 3: Cross multiply
    1,035,323.84x = 1,428,527.28 × 653,129.12
  4. Step 4: Simplify right side
    1,035,323.84x = 933,012,765,282.39
  5. Step 5: Solve for x
    x = 933,012,765,282.39/1,035,323.84
  6. Step 6: Final answer
    x = 901,179.64

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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.