Home / 528,059.40-792,089.10-173,109.30

Finding the Fourth Proportional to 528,059.40, 792,089.10 and 173,109.30

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Solution

The fourth proportional to 528,059.40, 792,089.10 and 173,109.30 is: 259,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,059.40 : 792,089.10 = 173,109.30 : x
  2. Step 2: Convert to fraction form
    528,059.40/792,089.10 = 173,109.30/x
  3. Step 3: Cross multiply
    528,059.40x = 792,089.10 × 173,109.30
  4. Step 4: Simplify right side
    528,059.40x = 137,117,989,638.63
  5. Step 5: Solve for x
    x = 137,117,989,638.63/528,059.40
  6. Step 6: Final answer
    x = 259,663.95

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Double scale
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Similar ratio
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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.