Home / 955,215.90-1,318,150.08-525,484.98

Finding the Fourth Proportional to 955,215.90, 1,318,150.08 and 525,484.98

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Solution

The fourth proportional to 955,215.90, 1,318,150.08 and 525,484.98 is: 725,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,215.90 : 1,318,150.08 = 525,484.98 : x
  2. Step 2: Convert to fraction form
    955,215.90/1,318,150.08 = 525,484.98/x
  3. Step 3: Cross multiply
    955,215.90x = 1,318,150.08 × 525,484.98
  4. Step 4: Simplify right side
    955,215.90x = 692,668,068,425.80
  5. Step 5: Solve for x
    x = 692,668,068,425.80/955,215.90
  6. Step 6: Final answer
    x = 725,142.94

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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.