Home / 904,862.96-1,357,280.40-221,756.48

Finding the Fourth Proportional to 904,862.96, 1,357,280.40 and 221,756.48

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Solution

The fourth proportional to 904,862.96, 1,357,280.40 and 221,756.48 is: 332,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,862.96 : 1,357,280.40 = 221,756.48 : x
  2. Step 2: Convert to fraction form
    904,862.96/1,357,280.40 = 221,756.48/x
  3. Step 3: Cross multiply
    904,862.96x = 1,357,280.40 × 221,756.48
  4. Step 4: Simplify right side
    904,862.96x = 300,985,723,876.99
  5. Step 5: Solve for x
    x = 300,985,723,876.99/904,862.96
  6. Step 6: Final answer
    x = 332,631.28

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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.