Home / 867,066.70-1,300,600.05-657,114.70

Finding the Fourth Proportional to 867,066.70, 1,300,600.05 and 657,114.70

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Solution

The fourth proportional to 867,066.70, 1,300,600.05 and 657,114.70 is: 985,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,066.70 : 1,300,600.05 = 657,114.70 : x
  2. Step 2: Convert to fraction form
    867,066.70/1,300,600.05 = 657,114.70/x
  3. Step 3: Cross multiply
    867,066.70x = 1,300,600.05 × 657,114.70
  4. Step 4: Simplify right side
    867,066.70x = 854,643,411,675.74
  5. Step 5: Solve for x
    x = 854,643,411,675.74/867,066.70
  6. Step 6: Final answer
    x = 985,672.05

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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.