Home / 403,412.10-556,702.56-240,182.52

Finding the Fourth Proportional to 403,412.10, 556,702.56 and 240,182.52

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Solution

The fourth proportional to 403,412.10, 556,702.56 and 240,182.52 is: 331,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,412.10 : 556,702.56 = 240,182.52 : x
  2. Step 2: Convert to fraction form
    403,412.10/556,702.56 = 240,182.52/x
  3. Step 3: Cross multiply
    403,412.10x = 556,702.56 × 240,182.52
  4. Step 4: Simplify right side
    403,412.10x = 133,710,223,751.25
  5. Step 5: Solve for x
    x = 133,710,223,751.25/403,412.10
  6. Step 6: Final answer
    x = 331,448.22

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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.