Home / 932,014.95-1,286,188.03-518,557.74

Finding the Fourth Proportional to 932,014.95, 1,286,188.03 and 518,557.74

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Solution

The fourth proportional to 932,014.95, 1,286,188.03 and 518,557.74 is: 715,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,014.95 : 1,286,188.03 = 518,557.74 : x
  2. Step 2: Convert to fraction form
    932,014.95/1,286,188.03 = 518,557.74/x
  3. Step 3: Cross multiply
    932,014.95x = 1,286,188.03 × 518,557.74
  4. Step 4: Simplify right side
    932,014.95x = 666,962,758,051.85
  5. Step 5: Solve for x
    x = 666,962,758,051.85/932,014.95
  6. Step 6: Final answer
    x = 715,613.80

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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.