Home / 825,075.70-1,138,616.13-502,799.38

Finding the Fourth Proportional to 825,075.70, 1,138,616.13 and 502,799.38

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Solution

The fourth proportional to 825,075.70, 1,138,616.13 and 502,799.38 is: 693,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,075.70 : 1,138,616.13 = 502,799.38 : x
  2. Step 2: Convert to fraction form
    825,075.70/1,138,616.13 = 502,799.38/x
  3. Step 3: Cross multiply
    825,075.70x = 1,138,616.13 × 502,799.38
  4. Step 4: Simplify right side
    825,075.70x = 572,495,484,222.00
  5. Step 5: Solve for x
    x = 572,495,484,222.00/825,075.70
  6. Step 6: Final answer
    x = 693,870.25

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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.