Home / 783,377.36-1,175,066.06-517,075.60

Finding the Fourth Proportional to 783,377.36, 1,175,066.06 and 517,075.60

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Solution

The fourth proportional to 783,377.36, 1,175,066.06 and 517,075.60 is: 775,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,377.36 : 1,175,066.06 = 517,075.60 : x
  2. Step 2: Convert to fraction form
    783,377.36/1,175,066.06 = 517,075.60/x
  3. Step 3: Cross multiply
    783,377.36x = 1,175,066.06 × 517,075.60
  4. Step 4: Simplify right side
    783,377.36x = 607,597,984,694.34
  5. Step 5: Solve for x
    x = 607,597,984,694.34/783,377.36
  6. Step 6: Final answer
    x = 775,613.41

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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.