Home / 1,014,785.73-1,400,056.56-578,889.90

Finding the Fourth Proportional to 1,014,785.73, 1,400,056.56 and 578,889.90

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Solution

The fourth proportional to 1,014,785.73, 1,400,056.56 and 578,889.90 is: 798,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,785.73 : 1,400,056.56 = 578,889.90 : x
  2. Step 2: Convert to fraction form
    1,014,785.73/1,400,056.56 = 578,889.90/x
  3. Step 3: Cross multiply
    1,014,785.73x = 1,400,056.56 × 578,889.90
  4. Step 4: Simplify right side
    1,014,785.73x = 810,478,602,012.74
  5. Step 5: Solve for x
    x = 810,478,602,012.74/1,014,785.73
  6. Step 6: Final answer
    x = 798,669.69

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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.