Home / 709,063.79-1,062,708.73-354,176.87

Finding the Fourth Proportional to 709,063.79, 1,062,708.73 and 354,176.87

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Solution

The fourth proportional to 709,063.79, 1,062,708.73 and 354,176.87 is: 530,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,063.79 : 1,062,708.73 = 354,176.87 : x
  2. Step 2: Convert to fraction form
    709,063.79/1,062,708.73 = 354,176.87/x
  3. Step 3: Cross multiply
    709,063.79x = 1,062,708.73 × 354,176.87
  4. Step 4: Simplify right side
    709,063.79x = 376,386,851,713.08
  5. Step 5: Solve for x
    x = 376,386,851,713.08/709,063.79
  6. Step 6: Final answer
    x = 530,822.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.