Home / 716,744.90-1,075,116.06-491,422.25

Finding the Fourth Proportional to 716,744.90, 1,075,116.06 and 491,422.25

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Solution

The fourth proportional to 716,744.90, 1,075,116.06 and 491,422.25 is: 737,132.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,744.90 : 1,075,116.06 = 491,422.25 : x
  2. Step 2: Convert to fraction form
    716,744.90/1,075,116.06 = 491,422.25/x
  3. Step 3: Cross multiply
    716,744.90x = 1,075,116.06 × 491,422.25
  4. Step 4: Simplify right side
    716,744.90x = 528,335,955,904.13
  5. Step 5: Solve for x
    x = 528,335,955,904.13/716,744.90
  6. Step 6: Final answer
    x = 737,132.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.