Home / 913,073.64-1,369,902.06-439,806.84

Finding the Fourth Proportional to 913,073.64, 1,369,902.06 and 439,806.84

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Solution

The fourth proportional to 913,073.64, 1,369,902.06 and 439,806.84 is: 659,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,073.64 : 1,369,902.06 = 439,806.84 : x
  2. Step 2: Convert to fraction form
    913,073.64/1,369,902.06 = 439,806.84/x
  3. Step 3: Cross multiply
    913,073.64x = 1,369,902.06 × 439,806.84
  4. Step 4: Simplify right side
    913,073.64x = 602,492,296,118.09
  5. Step 5: Solve for x
    x = 602,492,296,118.09/913,073.64
  6. Step 6: Final answer
    x = 659,850.72

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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.