Home / 862,510.80-1,293,766.20-525,205.20

Finding the Fourth Proportional to 862,510.80, 1,293,766.20 and 525,205.20

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Solution

The fourth proportional to 862,510.80, 1,293,766.20 and 525,205.20 is: 787,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,510.80 : 1,293,766.20 = 525,205.20 : x
  2. Step 2: Convert to fraction form
    862,510.80/1,293,766.20 = 525,205.20/x
  3. Step 3: Cross multiply
    862,510.80x = 1,293,766.20 × 525,205.20
  4. Step 4: Simplify right side
    862,510.80x = 679,492,735,824.24
  5. Step 5: Solve for x
    x = 679,492,735,824.24/862,510.80
  6. Step 6: Final answer
    x = 787,807.80

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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.