Home / 959,666.40-1,438,808.40-539,071.20

Finding the Fourth Proportional to 959,666.40, 1,438,808.40 and 539,071.20

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Solution

The fourth proportional to 959,666.40, 1,438,808.40 and 539,071.20 is: 808,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,666.40 : 1,438,808.40 = 539,071.20 : x
  2. Step 2: Convert to fraction form
    959,666.40/1,438,808.40 = 539,071.20/x
  3. Step 3: Cross multiply
    959,666.40x = 1,438,808.40 × 539,071.20
  4. Step 4: Simplify right side
    959,666.40x = 775,620,170,758.08
  5. Step 5: Solve for x
    x = 775,620,170,758.08/959,666.40
  6. Step 6: Final answer
    x = 808,218.53

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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.