Home / 929,045.09-1,393,706.15-329,955.93

Finding the Fourth Proportional to 929,045.09, 1,393,706.15 and 329,955.93

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Solution

The fourth proportional to 929,045.09, 1,393,706.15 and 329,955.93 is: 494,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,045.09 : 1,393,706.15 = 329,955.93 : x
  2. Step 2: Convert to fraction form
    929,045.09/1,393,706.15 = 329,955.93/x
  3. Step 3: Cross multiply
    929,045.09x = 1,393,706.15 × 329,955.93
  4. Step 4: Simplify right side
    929,045.09x = 459,861,608,457.53
  5. Step 5: Solve for x
    x = 459,861,608,457.53/929,045.09
  6. Step 6: Final answer
    x = 494,983.09

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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.