Home / 1,140,659.52-1,710,643.68-475,656

Finding the Fourth Proportional to 1,140,659.52, 1,710,643.68 and 475,656

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Solution

The fourth proportional to 1,140,659.52, 1,710,643.68 and 475,656 is: 713,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,659.52 : 1,710,643.68 = 475,656 : x
  2. Step 2: Convert to fraction form
    1,140,659.52/1,710,643.68 = 475,656/x
  3. Step 3: Cross multiply
    1,140,659.52x = 1,710,643.68 × 475,656
  4. Step 4: Simplify right side
    1,140,659.52x = 813,677,930,254.08
  5. Step 5: Solve for x
    x = 813,677,930,254.08/1,140,659.52
  6. Step 6: Final answer
    x = 713,339.88

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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.