Home / 893,563.74-1,233,130.46-485,665.47

Finding the Fourth Proportional to 893,563.74, 1,233,130.46 and 485,665.47

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Solution

The fourth proportional to 893,563.74, 1,233,130.46 and 485,665.47 is: 670,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,563.74 : 1,233,130.46 = 485,665.47 : x
  2. Step 2: Convert to fraction form
    893,563.74/1,233,130.46 = 485,665.47/x
  3. Step 3: Cross multiply
    893,563.74x = 1,233,130.46 × 485,665.47
  4. Step 4: Simplify right side
    893,563.74x = 598,888,881,998.89
  5. Step 5: Solve for x
    x = 598,888,881,998.89/893,563.74
  6. Step 6: Final answer
    x = 670,225.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.