Home / 992,047.70-1,368,964.52-556,441.10

Finding the Fourth Proportional to 992,047.70, 1,368,964.52 and 556,441.10

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Solution

The fourth proportional to 992,047.70, 1,368,964.52 and 556,441.10 is: 767,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,047.70 : 1,368,964.52 = 556,441.10 : x
  2. Step 2: Convert to fraction form
    992,047.70/1,368,964.52 = 556,441.10/x
  3. Step 3: Cross multiply
    992,047.70x = 1,368,964.52 × 556,441.10
  4. Step 4: Simplify right side
    992,047.70x = 761,748,123,369.77
  5. Step 5: Solve for x
    x = 761,748,123,369.77/992,047.70
  6. Step 6: Final answer
    x = 767,854.33

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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.