Home / 816,008.70-1,224,013.05-760,712.70

Finding the Fourth Proportional to 816,008.70, 1,224,013.05 and 760,712.70

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Solution

The fourth proportional to 816,008.70, 1,224,013.05 and 760,712.70 is: 1,141,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,008.70 : 1,224,013.05 = 760,712.70 : x
  2. Step 2: Convert to fraction form
    816,008.70/1,224,013.05 = 760,712.70/x
  3. Step 3: Cross multiply
    816,008.70x = 1,224,013.05 × 760,712.70
  4. Step 4: Simplify right side
    816,008.70x = 931,122,272,100.74
  5. Step 5: Solve for x
    x = 931,122,272,100.74/816,008.70
  6. Step 6: Final answer
    x = 1,141,069.05

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1.5x scale

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.