Home / 739,171.88-1,020,055.76-416,880.98

Finding the Fourth Proportional to 739,171.88, 1,020,055.76 and 416,880.98

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Solution

The fourth proportional to 739,171.88, 1,020,055.76 and 416,880.98 is: 575,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,171.88 : 1,020,055.76 = 416,880.98 : x
  2. Step 2: Convert to fraction form
    739,171.88/1,020,055.76 = 416,880.98/x
  3. Step 3: Cross multiply
    739,171.88x = 1,020,055.76 × 416,880.98
  4. Step 4: Simplify right side
    739,171.88x = 425,241,839,783.17
  5. Step 5: Solve for x
    x = 425,241,839,783.17/739,171.88
  6. Step 6: Final answer
    x = 575,294.94

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.