Home / 540,875.25-811,140.35-185,803.65

Finding the Fourth Proportional to 540,875.25, 811,140.35 and 185,803.65

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Solution

The fourth proportional to 540,875.25, 811,140.35 and 185,803.65 is: 278,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,875.25 : 811,140.35 = 185,803.65 : x
  2. Step 2: Convert to fraction form
    540,875.25/811,140.35 = 185,803.65/x
  3. Step 3: Cross multiply
    540,875.25x = 811,140.35 × 185,803.65
  4. Step 4: Simplify right side
    540,875.25x = 150,712,836,763.26
  5. Step 5: Solve for x
    x = 150,712,836,763.26/540,875.25
  6. Step 6: Final answer
    x = 278,646.21

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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.