Home / 736,126.25-1,015,776.72-409,386.42

Finding the Fourth Proportional to 736,126.25, 1,015,776.72 and 409,386.42

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Solution

The fourth proportional to 736,126.25, 1,015,776.72 and 409,386.42 is: 564,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,126.25 : 1,015,776.72 = 409,386.42 : x
  2. Step 2: Convert to fraction form
    736,126.25/1,015,776.72 = 409,386.42/x
  3. Step 3: Cross multiply
    736,126.25x = 1,015,776.72 × 409,386.42
  4. Step 4: Simplify right side
    736,126.25x = 415,845,194,920.14
  5. Step 5: Solve for x
    x = 415,845,194,920.14/736,126.25
  6. Step 6: Final answer
    x = 564,910.16

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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.