Home / 377,200.36-520,526.12-207,434.48

Finding the Fourth Proportional to 377,200.36, 520,526.12 and 207,434.48

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Solution

The fourth proportional to 377,200.36, 520,526.12 and 207,434.48 is: 286,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,200.36 : 520,526.12 = 207,434.48 : x
  2. Step 2: Convert to fraction form
    377,200.36/520,526.12 = 207,434.48/x
  3. Step 3: Cross multiply
    377,200.36x = 520,526.12 × 207,434.48
  4. Step 4: Simplify right side
    377,200.36x = 107,975,065,292.76
  5. Step 5: Solve for x
    x = 107,975,065,292.76/377,200.36
  6. Step 6: Final answer
    x = 286,253.88

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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.