Home / 970,262.80-1,456,085.40-409,699.60

Finding the Fourth Proportional to 970,262.80, 1,456,085.40 and 409,699.60

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Solution

The fourth proportional to 970,262.80, 1,456,085.40 and 409,699.60 is: 614,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,262.80 : 1,456,085.40 = 409,699.60 : x
  2. Step 2: Convert to fraction form
    970,262.80/1,456,085.40 = 409,699.60/x
  3. Step 3: Cross multiply
    970,262.80x = 1,456,085.40 × 409,699.60
  4. Step 4: Simplify right side
    970,262.80x = 596,557,605,945.84
  5. Step 5: Solve for x
    x = 596,557,605,945.84/970,262.80
  6. Step 6: Final answer
    x = 614,841.26

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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.