Home / 930,885.28-1,396,300.08-257,007.64

Finding the Fourth Proportional to 930,885.28, 1,396,300.08 and 257,007.64

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Solution

The fourth proportional to 930,885.28, 1,396,300.08 and 257,007.64 is: 385,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,885.28 : 1,396,300.08 = 257,007.64 : x
  2. Step 2: Convert to fraction form
    930,885.28/1,396,300.08 = 257,007.64/x
  3. Step 3: Cross multiply
    930,885.28x = 1,396,300.08 × 257,007.64
  4. Step 4: Simplify right side
    930,885.28x = 358,859,788,292.61
  5. Step 5: Solve for x
    x = 358,859,788,292.61/930,885.28
  6. Step 6: Final answer
    x = 385,503.77

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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.