Home / 948,645.32-1,422,875.70-522,040.91

Finding the Fourth Proportional to 948,645.32, 1,422,875.70 and 522,040.91

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Solution

The fourth proportional to 948,645.32, 1,422,875.70 and 522,040.91 is: 783,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,645.32 : 1,422,875.70 = 522,040.91 : x
  2. Step 2: Convert to fraction form
    948,645.32/1,422,875.70 = 522,040.91/x
  3. Step 3: Cross multiply
    948,645.32x = 1,422,875.70 × 522,040.91
  4. Step 4: Simplify right side
    948,645.32x = 742,799,318,130.51
  5. Step 5: Solve for x
    x = 742,799,318,130.51/948,645.32
  6. Step 6: Final answer
    x = 783,010.58

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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.