Home / 1,220,360.81-1,830,560.24-461,998.71

Finding the Fourth Proportional to 1,220,360.81, 1,830,560.24 and 461,998.71

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Solution

The fourth proportional to 1,220,360.81, 1,830,560.24 and 461,998.71 is: 693,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,360.81 : 1,830,560.24 = 461,998.71 : x
  2. Step 2: Convert to fraction form
    1,220,360.81/1,830,560.24 = 461,998.71/x
  3. Step 3: Cross multiply
    1,220,360.81x = 1,830,560.24 × 461,998.71
  4. Step 4: Simplify right side
    1,220,360.81x = 845,716,470,612.29
  5. Step 5: Solve for x
    x = 845,716,470,612.29/1,220,360.81
  6. Step 6: Final answer
    x = 693,005.27

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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.