Home / 542,895.51-749,196.71-301,178.08

Finding the Fourth Proportional to 542,895.51, 749,196.71 and 301,178.08

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Solution

The fourth proportional to 542,895.51, 749,196.71 and 301,178.08 is: 415,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,895.51 : 749,196.71 = 301,178.08 : x
  2. Step 2: Convert to fraction form
    542,895.51/749,196.71 = 301,178.08/x
  3. Step 3: Cross multiply
    542,895.51x = 749,196.71 × 301,178.08
  4. Step 4: Simplify right side
    542,895.51x = 225,641,627,220.14
  5. Step 5: Solve for x
    x = 225,641,627,220.14/542,895.51
  6. Step 6: Final answer
    x = 415,626.25

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1.5x scale

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.