Home / 893,358.31-1,233,000.55-511,385.10

Finding the Fourth Proportional to 893,358.31, 1,233,000.55 and 511,385.10

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Solution

The fourth proportional to 893,358.31, 1,233,000.55 and 511,385.10 is: 705,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,358.31 : 1,233,000.55 = 511,385.10 : x
  2. Step 2: Convert to fraction form
    893,358.31/1,233,000.55 = 511,385.10/x
  3. Step 3: Cross multiply
    893,358.31x = 1,233,000.55 × 511,385.10
  4. Step 4: Simplify right side
    893,358.31x = 630,538,109,561.81
  5. Step 5: Solve for x
    x = 630,538,109,561.81/893,358.31
  6. Step 6: Final answer
    x = 705,806.51

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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.