Home / 772,188.06-1,065,618.81-432,658.74

Finding the Fourth Proportional to 772,188.06, 1,065,618.81 and 432,658.74

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Solution

The fourth proportional to 772,188.06, 1,065,618.81 and 432,658.74 is: 597,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,188.06 : 1,065,618.81 = 432,658.74 : x
  2. Step 2: Convert to fraction form
    772,188.06/1,065,618.81 = 432,658.74/x
  3. Step 3: Cross multiply
    772,188.06x = 1,065,618.81 × 432,658.74
  4. Step 4: Simplify right side
    772,188.06x = 461,049,291,654.90
  5. Step 5: Solve for x
    x = 461,049,291,654.90/772,188.06
  6. Step 6: Final answer
    x = 597,068.66

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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.