Home / 1,126,260.55-1,688,640.21-585,187.17

Finding the Fourth Proportional to 1,126,260.55, 1,688,640.21 and 585,187.17

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Solution

The fourth proportional to 1,126,260.55, 1,688,640.21 and 585,187.17 is: 877,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,260.55 : 1,688,640.21 = 585,187.17 : x
  2. Step 2: Convert to fraction form
    1,126,260.55/1,688,640.21 = 585,187.17/x
  3. Step 3: Cross multiply
    1,126,260.55x = 1,688,640.21 × 585,187.17
  4. Step 4: Simplify right side
    1,126,260.55x = 988,170,579,305.71
  5. Step 5: Solve for x
    x = 988,170,579,305.71/1,126,260.55
  6. Step 6: Final answer
    x = 877,390.74

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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.