Home / 1,085,113.70-1,627,670.55-707,200.10

Finding the Fourth Proportional to 1,085,113.70, 1,627,670.55 and 707,200.10

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Solution

The fourth proportional to 1,085,113.70, 1,627,670.55 and 707,200.10 is: 1,060,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,113.70 : 1,627,670.55 = 707,200.10 : x
  2. Step 2: Convert to fraction form
    1,085,113.70/1,627,670.55 = 707,200.10/x
  3. Step 3: Cross multiply
    1,085,113.70x = 1,627,670.55 × 707,200.10
  4. Step 4: Simplify right side
    1,085,113.70x = 1,151,088,775,727.06
  5. Step 5: Solve for x
    x = 1,151,088,775,727.06/1,085,113.70
  6. Step 6: Final answer
    x = 1,060,800.15

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Double scale
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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.