Home / 987,762.60-1,363,111.20-535,053.60

Finding the Fourth Proportional to 987,762.60, 1,363,111.20 and 535,053.60

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Solution

The fourth proportional to 987,762.60, 1,363,111.20 and 535,053.60 is: 738,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,762.60 : 1,363,111.20 = 535,053.60 : x
  2. Step 2: Convert to fraction form
    987,762.60/1,363,111.20 = 535,053.60/x
  3. Step 3: Cross multiply
    987,762.60x = 1,363,111.20 × 535,053.60
  4. Step 4: Simplify right side
    987,762.60x = 729,337,554,760.32
  5. Step 5: Solve for x
    x = 729,337,554,760.32/987,762.60
  6. Step 6: Final answer
    x = 738,373.32

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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.