Home / 779,679.23-1,075,961.08-435,529.66

Finding the Fourth Proportional to 779,679.23, 1,075,961.08 and 435,529.66

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Solution

The fourth proportional to 779,679.23, 1,075,961.08 and 435,529.66 is: 601,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,679.23 : 1,075,961.08 = 435,529.66 : x
  2. Step 2: Convert to fraction form
    779,679.23/1,075,961.08 = 435,529.66/x
  3. Step 3: Cross multiply
    779,679.23x = 1,075,961.08 × 435,529.66
  4. Step 4: Simplify right side
    779,679.23x = 468,612,969,287.93
  5. Step 5: Solve for x
    x = 468,612,969,287.93/779,679.23
  6. Step 6: Final answer
    x = 601,033.03

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1.5x scale

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.