Home / 813,534.84-1,122,298.38-511,895.16

Finding the Fourth Proportional to 813,534.84, 1,122,298.38 and 511,895.16

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Solution

The fourth proportional to 813,534.84, 1,122,298.38 and 511,895.16 is: 706,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,534.84 : 1,122,298.38 = 511,895.16 : x
  2. Step 2: Convert to fraction form
    813,534.84/1,122,298.38 = 511,895.16/x
  3. Step 3: Cross multiply
    813,534.84x = 1,122,298.38 × 511,895.16
  4. Step 4: Simplify right side
    813,534.84x = 574,499,108,797.84
  5. Step 5: Solve for x
    x = 574,499,108,797.84/813,534.84
  6. Step 6: Final answer
    x = 706,176.41

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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.