Home / 957,176.16-1,320,903.48-521,590.56

Finding the Fourth Proportional to 957,176.16, 1,320,903.48 and 521,590.56

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Solution

The fourth proportional to 957,176.16, 1,320,903.48 and 521,590.56 is: 719,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,176.16 : 1,320,903.48 = 521,590.56 : x
  2. Step 2: Convert to fraction form
    957,176.16/1,320,903.48 = 521,590.56/x
  3. Step 3: Cross multiply
    957,176.16x = 1,320,903.48 × 521,590.56
  4. Step 4: Simplify right side
    957,176.16x = 688,970,785,839.15
  5. Step 5: Solve for x
    x = 688,970,785,839.15/957,176.16
  6. Step 6: Final answer
    x = 719,795.18

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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.