Home / 960,081.69-1,440,117.30-391,460.58

Finding the Fourth Proportional to 960,081.69, 1,440,117.30 and 391,460.58

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Solution

The fourth proportional to 960,081.69, 1,440,117.30 and 391,460.58 is: 587,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,081.69 : 1,440,117.30 = 391,460.58 : x
  2. Step 2: Convert to fraction form
    960,081.69/1,440,117.30 = 391,460.58/x
  3. Step 3: Cross multiply
    960,081.69x = 1,440,117.30 × 391,460.58
  4. Step 4: Simplify right side
    960,081.69x = 563,749,153,526.03
  5. Step 5: Solve for x
    x = 563,749,153,526.03/960,081.69
  6. Step 6: Final answer
    x = 587,188.74

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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.