Home / 716,582.82-988,883.16-430,104.18

Finding the Fourth Proportional to 716,582.82, 988,883.16 and 430,104.18

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Solution

The fourth proportional to 716,582.82, 988,883.16 and 430,104.18 is: 593,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,582.82 : 988,883.16 = 430,104.18 : x
  2. Step 2: Convert to fraction form
    716,582.82/988,883.16 = 430,104.18/x
  3. Step 3: Cross multiply
    716,582.82x = 988,883.16 × 430,104.18
  4. Step 4: Simplify right side
    716,582.82x = 425,322,780,647.61
  5. Step 5: Solve for x
    x = 425,322,780,647.61/716,582.82
  6. Step 6: Final answer
    x = 593,543.09

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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.