Home / 698,596.20-1,047,894.30-432,875.70

Finding the Fourth Proportional to 698,596.20, 1,047,894.30 and 432,875.70

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Solution

The fourth proportional to 698,596.20, 1,047,894.30 and 432,875.70 is: 649,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,596.20 : 1,047,894.30 = 432,875.70 : x
  2. Step 2: Convert to fraction form
    698,596.20/1,047,894.30 = 432,875.70/x
  3. Step 3: Cross multiply
    698,596.20x = 1,047,894.30 × 432,875.70
  4. Step 4: Simplify right side
    698,596.20x = 453,607,978,638.51
  5. Step 5: Solve for x
    x = 453,607,978,638.51/698,596.20
  6. Step 6: Final answer
    x = 649,313.55

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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.