Home / 1,456,715.23-2,011,536.35-913,784.28

Finding the Fourth Proportional to 1,456,715.23, 2,011,536.35 and 913,784.28

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Solution

The fourth proportional to 1,456,715.23, 2,011,536.35 and 913,784.28 is: 1,261,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,715.23 : 2,011,536.35 = 913,784.28 : x
  2. Step 2: Convert to fraction form
    1,456,715.23/2,011,536.35 = 913,784.28/x
  3. Step 3: Cross multiply
    1,456,715.23x = 2,011,536.35 × 913,784.28
  4. Step 4: Simplify right side
    1,456,715.23x = 1,838,110,295,278.58
  5. Step 5: Solve for x
    x = 1,838,110,295,278.58/1,456,715.23
  6. Step 6: Final answer
    x = 1,261,818.55

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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.