Home / 827,312.20-1,239,656.10-546,501.40

Finding the Fourth Proportional to 827,312.20, 1,239,656.10 and 546,501.40

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Solution

The fourth proportional to 827,312.20, 1,239,656.10 and 546,501.40 is: 818,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,312.20 : 1,239,656.10 = 546,501.40 : x
  2. Step 2: Convert to fraction form
    827,312.20/1,239,656.10 = 546,501.40/x
  3. Step 3: Cross multiply
    827,312.20x = 1,239,656.10 × 546,501.40
  4. Step 4: Simplify right side
    827,312.20x = 677,473,794,168.54
  5. Step 5: Solve for x
    x = 677,473,794,168.54/827,312.20
  6. Step 6: Final answer
    x = 818,885.29

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1.5x scale

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.