Home / 916,159.20-1,263,471.36-572,026.20

Finding the Fourth Proportional to 916,159.20, 1,263,471.36 and 572,026.20

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Solution

The fourth proportional to 916,159.20, 1,263,471.36 and 572,026.20 is: 788,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,159.20 : 1,263,471.36 = 572,026.20 : x
  2. Step 2: Convert to fraction form
    916,159.20/1,263,471.36 = 572,026.20/x
  3. Step 3: Cross multiply
    916,159.20x = 1,263,471.36 × 572,026.20
  4. Step 4: Simplify right side
    916,159.20x = 722,738,720,869.63
  5. Step 5: Solve for x
    x = 722,738,720,869.63/916,159.20
  6. Step 6: Final answer
    x = 788,878.96

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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.