Home / 770,985.23-1,151,792.13-498,896.76

Finding the Fourth Proportional to 770,985.23, 1,151,792.13 and 498,896.76

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Solution

The fourth proportional to 770,985.23, 1,151,792.13 and 498,896.76 is: 745,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,985.23 : 1,151,792.13 = 498,896.76 : x
  2. Step 2: Convert to fraction form
    770,985.23/1,151,792.13 = 498,896.76/x
  3. Step 3: Cross multiply
    770,985.23x = 1,151,792.13 × 498,896.76
  4. Step 4: Simplify right side
    770,985.23x = 574,625,361,850.50
  5. Step 5: Solve for x
    x = 574,625,361,850.50/770,985.23
  6. Step 6: Final answer
    x = 745,313.07

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.