Home / 929,999.80-1,392,234.90-614,812.60

Finding the Fourth Proportional to 929,999.80, 1,392,234.90 and 614,812.60

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Solution

The fourth proportional to 929,999.80, 1,392,234.90 and 614,812.60 is: 920,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,999.80 : 1,392,234.90 = 614,812.60 : x
  2. Step 2: Convert to fraction form
    929,999.80/1,392,234.90 = 614,812.60/x
  3. Step 3: Cross multiply
    929,999.80x = 1,392,234.90 × 614,812.60
  4. Step 4: Simplify right side
    929,999.80x = 855,963,558,679.74
  5. Step 5: Solve for x
    x = 855,963,558,679.74/929,999.80
  6. Step 6: Final answer
    x = 920,391.12

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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.