Home / 1,156,071.06-1,595,329.02-639,776.66

Finding the Fourth Proportional to 1,156,071.06, 1,595,329.02 and 639,776.66

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Solution

The fourth proportional to 1,156,071.06, 1,595,329.02 and 639,776.66 is: 882,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,071.06 : 1,595,329.02 = 639,776.66 : x
  2. Step 2: Convert to fraction form
    1,156,071.06/1,595,329.02 = 639,776.66/x
  3. Step 3: Cross multiply
    1,156,071.06x = 1,595,329.02 × 639,776.66
  4. Step 4: Simplify right side
    1,156,071.06x = 1,020,654,279,744.05
  5. Step 5: Solve for x
    x = 1,020,654,279,744.05/1,156,071.06
  6. Step 6: Final answer
    x = 882,864.66

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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.