Home / 867,064.40-1,300,596.60-493,816.40

Finding the Fourth Proportional to 867,064.40, 1,300,596.60 and 493,816.40

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Solution

The fourth proportional to 867,064.40, 1,300,596.60 and 493,816.40 is: 740,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,064.40 : 1,300,596.60 = 493,816.40 : x
  2. Step 2: Convert to fraction form
    867,064.40/1,300,596.60 = 493,816.40/x
  3. Step 3: Cross multiply
    867,064.40x = 1,300,596.60 × 493,816.40
  4. Step 4: Simplify right side
    867,064.40x = 642,255,930,864.24
  5. Step 5: Solve for x
    x = 642,255,930,864.24/867,064.40
  6. Step 6: Final answer
    x = 740,724.60

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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.