Home / 745,997.65-1,117,314.07-522,356.51

Finding the Fourth Proportional to 745,997.65, 1,117,314.07 and 522,356.51

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Solution

The fourth proportional to 745,997.65, 1,117,314.07 and 522,356.51 is: 782,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,997.65 : 1,117,314.07 = 522,356.51 : x
  2. Step 2: Convert to fraction form
    745,997.65/1,117,314.07 = 522,356.51/x
  3. Step 3: Cross multiply
    745,997.65x = 1,117,314.07 × 522,356.51
  4. Step 4: Simplify right side
    745,997.65x = 583,636,279,666.49
  5. Step 5: Solve for x
    x = 583,636,279,666.49/745,997.65
  6. Step 6: Final answer
    x = 782,356.73

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Double scale
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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.