Home / 775,862.30-1,071,362.76-572,266.10

Finding the Fourth Proportional to 775,862.30, 1,071,362.76 and 572,266.10

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Solution

The fourth proportional to 775,862.30, 1,071,362.76 and 572,266.10 is: 790,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,862.30 : 1,071,362.76 = 572,266.10 : x
  2. Step 2: Convert to fraction form
    775,862.30/1,071,362.76 = 572,266.10/x
  3. Step 3: Cross multiply
    775,862.30x = 1,071,362.76 × 572,266.10
  4. Step 4: Simplify right side
    775,862.30x = 613,104,588,350.44
  5. Step 5: Solve for x
    x = 613,104,588,350.44/775,862.30
  6. Step 6: Final answer
    x = 790,223.46

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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.