Home / 936,505.06-1,291,964.79-549,123.78

Finding the Fourth Proportional to 936,505.06, 1,291,964.79 and 549,123.78

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Solution

The fourth proportional to 936,505.06, 1,291,964.79 and 549,123.78 is: 757,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,505.06 : 1,291,964.79 = 549,123.78 : x
  2. Step 2: Convert to fraction form
    936,505.06/1,291,964.79 = 549,123.78/x
  3. Step 3: Cross multiply
    936,505.06x = 1,291,964.79 × 549,123.78
  4. Step 4: Simplify right side
    936,505.06x = 709,448,586,326.05
  5. Step 5: Solve for x
    x = 709,448,586,326.05/936,505.06
  6. Step 6: Final answer
    x = 757,549.12

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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.