Home / 740,801.32-1,022,307.24-401,269.84

Finding the Fourth Proportional to 740,801.32, 1,022,307.24 and 401,269.84

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Solution

The fourth proportional to 740,801.32, 1,022,307.24 and 401,269.84 is: 553,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,801.32 : 1,022,307.24 = 401,269.84 : x
  2. Step 2: Convert to fraction form
    740,801.32/1,022,307.24 = 401,269.84/x
  3. Step 3: Cross multiply
    740,801.32x = 1,022,307.24 × 401,269.84
  4. Step 4: Simplify right side
    740,801.32x = 410,221,062,625.64
  5. Step 5: Solve for x
    x = 410,221,062,625.64/740,801.32
  6. Step 6: Final answer
    x = 553,753.15

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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.