Home / 1,201,510.76-1,801,985.76-348,353.42

Finding the Fourth Proportional to 1,201,510.76, 1,801,985.76 and 348,353.42

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Solution

The fourth proportional to 1,201,510.76, 1,801,985.76 and 348,353.42 is: 522,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,510.76 : 1,801,985.76 = 348,353.42 : x
  2. Step 2: Convert to fraction form
    1,201,510.76/1,801,985.76 = 348,353.42/x
  3. Step 3: Cross multiply
    1,201,510.76x = 1,801,985.76 × 348,353.42
  4. Step 4: Simplify right side
    1,201,510.76x = 627,727,893,277.37
  5. Step 5: Solve for x
    x = 627,727,893,277.37/1,201,510.76
  6. Step 6: Final answer
    x = 522,448.83

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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.