Home / 691,244.28-953,927.55-385,312.14

Finding the Fourth Proportional to 691,244.28, 953,927.55 and 385,312.14

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Solution

The fourth proportional to 691,244.28, 953,927.55 and 385,312.14 is: 531,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,244.28 : 953,927.55 = 385,312.14 : x
  2. Step 2: Convert to fraction form
    691,244.28/953,927.55 = 385,312.14/x
  3. Step 3: Cross multiply
    691,244.28x = 953,927.55 × 385,312.14
  4. Step 4: Simplify right side
    691,244.28x = 367,559,865,695.46
  5. Step 5: Solve for x
    x = 367,559,865,695.46/691,244.28
  6. Step 6: Final answer
    x = 531,736.57

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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.