Home / 772,118.12-1,065,566.58-432,695.72

Finding the Fourth Proportional to 772,118.12, 1,065,566.58 and 432,695.72

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Solution

The fourth proportional to 772,118.12, 1,065,566.58 and 432,695.72 is: 597,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,118.12 : 1,065,566.58 = 432,695.72 : x
  2. Step 2: Convert to fraction form
    772,118.12/1,065,566.58 = 432,695.72/x
  3. Step 3: Cross multiply
    772,118.12x = 1,065,566.58 × 432,695.72
  4. Step 4: Simplify right side
    772,118.12x = 461,066,098,541.04
  5. Step 5: Solve for x
    x = 461,066,098,541.04/772,118.12
  6. Step 6: Final answer
    x = 597,144.51

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Double scale
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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.