Home / 1,143,901.40-1,577,928.08-713,434.19

Finding the Fourth Proportional to 1,143,901.40, 1,577,928.08 and 713,434.19

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Solution

The fourth proportional to 1,143,901.40, 1,577,928.08 and 713,434.19 is: 984,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,901.40 : 1,577,928.08 = 713,434.19 : x
  2. Step 2: Convert to fraction form
    1,143,901.40/1,577,928.08 = 713,434.19/x
  3. Step 3: Cross multiply
    1,143,901.40x = 1,577,928.08 × 713,434.19
  4. Step 4: Simplify right side
    1,143,901.40x = 1,125,747,838,065.88
  5. Step 5: Solve for x
    x = 1,125,747,838,065.88/1,143,901.40
  6. Step 6: Final answer
    x = 984,130.13

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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.