Home / 313,931.60-470,897.40-293,195.60

Finding the Fourth Proportional to 313,931.60, 470,897.40 and 293,195.60

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Solution

The fourth proportional to 313,931.60, 470,897.40 and 293,195.60 is: 439,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,931.60 : 470,897.40 = 293,195.60 : x
  2. Step 2: Convert to fraction form
    313,931.60/470,897.40 = 293,195.60/x
  3. Step 3: Cross multiply
    313,931.60x = 470,897.40 × 293,195.60
  4. Step 4: Simplify right side
    313,931.60x = 138,065,045,731.44
  5. Step 5: Solve for x
    x = 138,065,045,731.44/313,931.60
  6. Step 6: Final answer
    x = 439,793.40

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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.