Home / 293,366.20-440,924.10-288,117.40

Finding the Fourth Proportional to 293,366.20, 440,924.10 and 288,117.40

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Solution

The fourth proportional to 293,366.20, 440,924.10 and 288,117.40 is: 433,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,366.20 : 440,924.10 = 288,117.40 : x
  2. Step 2: Convert to fraction form
    293,366.20/440,924.10 = 288,117.40/x
  3. Step 3: Cross multiply
    293,366.20x = 440,924.10 × 288,117.40
  4. Step 4: Simplify right side
    293,366.20x = 127,037,905,289.34
  5. Step 5: Solve for x
    x = 127,037,905,289.34/293,366.20
  6. Step 6: Final answer
    x = 433,035.25

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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.