Home / 869,921.60-1,302,808.80-533,998.40

Finding the Fourth Proportional to 869,921.60, 1,302,808.80 and 533,998.40

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Solution

The fourth proportional to 869,921.60, 1,302,808.80 and 533,998.40 is: 799,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,921.60 : 1,302,808.80 = 533,998.40 : x
  2. Step 2: Convert to fraction form
    869,921.60/1,302,808.80 = 533,998.40/x
  3. Step 3: Cross multiply
    869,921.60x = 1,302,808.80 × 533,998.40
  4. Step 4: Simplify right side
    869,921.60x = 695,697,814,705.92
  5. Step 5: Solve for x
    x = 695,697,814,705.92/869,921.60
  6. Step 6: Final answer
    x = 799,724.73

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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.