Home / 744,014.48-1,026,820.14-421,689.92

Finding the Fourth Proportional to 744,014.48, 1,026,820.14 and 421,689.92

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Solution

The fourth proportional to 744,014.48, 1,026,820.14 and 421,689.92 is: 581,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,014.48 : 1,026,820.14 = 421,689.92 : x
  2. Step 2: Convert to fraction form
    744,014.48/1,026,820.14 = 421,689.92/x
  3. Step 3: Cross multiply
    744,014.48x = 1,026,820.14 × 421,689.92
  4. Step 4: Simplify right side
    744,014.48x = 432,999,702,690.99
  5. Step 5: Solve for x
    x = 432,999,702,690.99/744,014.48
  6. Step 6: Final answer
    x = 581,977.52

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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.