Home / 698,718.30-1,048,077.45-622,610.70

Finding the Fourth Proportional to 698,718.30, 1,048,077.45 and 622,610.70

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Solution

The fourth proportional to 698,718.30, 1,048,077.45 and 622,610.70 is: 933,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,718.30 : 1,048,077.45 = 622,610.70 : x
  2. Step 2: Convert to fraction form
    698,718.30/1,048,077.45 = 622,610.70/x
  3. Step 3: Cross multiply
    698,718.30x = 1,048,077.45 × 622,610.70
  4. Step 4: Simplify right side
    698,718.30x = 652,544,234,798.72
  5. Step 5: Solve for x
    x = 652,544,234,798.72/698,718.30
  6. Step 6: Final answer
    x = 933,916.05

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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.