Home / 400,793.04-553,095.03-217,031.05

Finding the Fourth Proportional to 400,793.04, 553,095.03 and 217,031.05

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Solution

The fourth proportional to 400,793.04, 553,095.03 and 217,031.05 is: 299,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,793.04 : 553,095.03 = 217,031.05 : x
  2. Step 2: Convert to fraction form
    400,793.04/553,095.03 = 217,031.05/x
  3. Step 3: Cross multiply
    400,793.04x = 553,095.03 × 217,031.05
  4. Step 4: Simplify right side
    400,793.04x = 120,038,793,504.76
  5. Step 5: Solve for x
    x = 120,038,793,504.76/400,793.04
  6. Step 6: Final answer
    x = 299,503.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.