Home / 942,000.60-1,413,221.40-310,913.79

Finding the Fourth Proportional to 942,000.60, 1,413,221.40 and 310,913.79

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Solution

The fourth proportional to 942,000.60, 1,413,221.40 and 310,913.79 is: 466,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,000.60 : 1,413,221.40 = 310,913.79 : x
  2. Step 2: Convert to fraction form
    942,000.60/1,413,221.40 = 310,913.79/x
  3. Step 3: Cross multiply
    942,000.60x = 1,413,221.40 × 310,913.79
  4. Step 4: Simplify right side
    942,000.60x = 439,390,021,583.11
  5. Step 5: Solve for x
    x = 439,390,021,583.11/942,000.60
  6. Step 6: Final answer
    x = 466,443.46

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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.