Home / 927,266.12-1,390,899.20-506,312.36

Finding the Fourth Proportional to 927,266.12, 1,390,899.20 and 506,312.36

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Solution

The fourth proportional to 927,266.12, 1,390,899.20 and 506,312.36 is: 759,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,266.12 : 1,390,899.20 = 506,312.36 : x
  2. Step 2: Convert to fraction form
    927,266.12/1,390,899.20 = 506,312.36/x
  3. Step 3: Cross multiply
    927,266.12x = 1,390,899.20 × 506,312.36
  4. Step 4: Simplify right side
    927,266.12x = 704,229,456,474.11
  5. Step 5: Solve for x
    x = 704,229,456,474.11/927,266.12
  6. Step 6: Final answer
    x = 759,468.55

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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.