Home / 732,455.04-1,011,138.41-487,846.88

Finding the Fourth Proportional to 732,455.04, 1,011,138.41 and 487,846.88

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Solution

The fourth proportional to 732,455.04, 1,011,138.41 and 487,846.88 is: 673,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,455.04 : 1,011,138.41 = 487,846.88 : x
  2. Step 2: Convert to fraction form
    732,455.04/1,011,138.41 = 487,846.88/x
  3. Step 3: Cross multiply
    732,455.04x = 1,011,138.41 × 487,846.88
  4. Step 4: Simplify right side
    732,455.04x = 493,280,718,566.66
  5. Step 5: Solve for x
    x = 493,280,718,566.66/732,455.04
  6. Step 6: Final answer
    x = 673,462.11

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1.5x scale

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.