Home / 836,910.65-1,154,931.20-454,937.43

Finding the Fourth Proportional to 836,910.65, 1,154,931.20 and 454,937.43

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Solution

The fourth proportional to 836,910.65, 1,154,931.20 and 454,937.43 is: 627,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,910.65 : 1,154,931.20 = 454,937.43 : x
  2. Step 2: Convert to fraction form
    836,910.65/1,154,931.20 = 454,937.43/x
  3. Step 3: Cross multiply
    836,910.65x = 1,154,931.20 × 454,937.43
  4. Step 4: Simplify right side
    836,910.65x = 525,421,429,680.13
  5. Step 5: Solve for x
    x = 525,421,429,680.13/836,910.65
  6. Step 6: Final answer
    x = 627,810.67

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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.