Home / 906,710.80-1,360,066.20-749,117.20

Finding the Fourth Proportional to 906,710.80, 1,360,066.20 and 749,117.20

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Solution

The fourth proportional to 906,710.80, 1,360,066.20 and 749,117.20 is: 1,123,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,710.80 : 1,360,066.20 = 749,117.20 : x
  2. Step 2: Convert to fraction form
    906,710.80/1,360,066.20 = 749,117.20/x
  3. Step 3: Cross multiply
    906,710.80x = 1,360,066.20 × 749,117.20
  4. Step 4: Simplify right side
    906,710.80x = 1,018,848,983,558.64
  5. Step 5: Solve for x
    x = 1,018,848,983,558.64/906,710.80
  6. Step 6: Final answer
    x = 1,123,675.80

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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.