Home / 805,456.40-1,206,802.20-524,829.20

Finding the Fourth Proportional to 805,456.40, 1,206,802.20 and 524,829.20

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Solution

The fourth proportional to 805,456.40, 1,206,802.20 and 524,829.20 is: 786,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,456.40 : 1,206,802.20 = 524,829.20 : x
  2. Step 2: Convert to fraction form
    805,456.40/1,206,802.20 = 524,829.20/x
  3. Step 3: Cross multiply
    805,456.40x = 1,206,802.20 × 524,829.20
  4. Step 4: Simplify right side
    805,456.40x = 633,365,033,184.24
  5. Step 5: Solve for x
    x = 633,365,033,184.24/805,456.40
  6. Step 6: Final answer
    x = 786,343.04

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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.