Home / 769,618.88-1,062,075.51-430,087.13

Finding the Fourth Proportional to 769,618.88, 1,062,075.51 and 430,087.13

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Solution

The fourth proportional to 769,618.88, 1,062,075.51 and 430,087.13 is: 593,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,618.88 : 1,062,075.51 = 430,087.13 : x
  2. Step 2: Convert to fraction form
    769,618.88/1,062,075.51 = 430,087.13/x
  3. Step 3: Cross multiply
    769,618.88x = 1,062,075.51 × 430,087.13
  4. Step 4: Simplify right side
    769,618.88x = 456,785,007,939.19
  5. Step 5: Solve for x
    x = 456,785,007,939.19/769,618.88
  6. Step 6: Final answer
    x = 593,521.05

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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.