Home / 690,032.56-952,272.88-384,089.52

Finding the Fourth Proportional to 690,032.56, 952,272.88 and 384,089.52

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Solution

The fourth proportional to 690,032.56, 952,272.88 and 384,089.52 is: 530,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,032.56 : 952,272.88 = 384,089.52 : x
  2. Step 2: Convert to fraction form
    690,032.56/952,272.88 = 384,089.52/x
  3. Step 3: Cross multiply
    690,032.56x = 952,272.88 × 384,089.52
  4. Step 4: Simplify right side
    690,032.56x = 365,758,034,401.00
  5. Step 5: Solve for x
    x = 365,758,034,401.00/690,032.56
  6. Step 6: Final answer
    x = 530,059.10

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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.