Home / 693,921.16-1,039,218.54-356,073.16

Finding the Fourth Proportional to 693,921.16, 1,039,218.54 and 356,073.16

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Solution

The fourth proportional to 693,921.16, 1,039,218.54 and 356,073.16 is: 533,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,921.16 : 1,039,218.54 = 356,073.16 : x
  2. Step 2: Convert to fraction form
    693,921.16/1,039,218.54 = 356,073.16/x
  3. Step 3: Cross multiply
    693,921.16x = 1,039,218.54 × 356,073.16
  4. Step 4: Simplify right side
    693,921.16x = 370,037,829,468.39
  5. Step 5: Solve for x
    x = 370,037,829,468.39/693,921.16
  6. Step 6: Final answer
    x = 533,256.30

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1.5x scale

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.