Home / 823,038.51-1,135,574.11-564,994.38

Finding the Fourth Proportional to 823,038.51, 1,135,574.11 and 564,994.38

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Solution

The fourth proportional to 823,038.51, 1,135,574.11 and 564,994.38 is: 779,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,038.51 : 1,135,574.11 = 564,994.38 : x
  2. Step 2: Convert to fraction form
    823,038.51/1,135,574.11 = 564,994.38/x
  3. Step 3: Cross multiply
    823,038.51x = 1,135,574.11 × 564,994.38
  4. Step 4: Simplify right side
    823,038.51x = 641,592,983,133.15
  5. Step 5: Solve for x
    x = 641,592,983,133.15/823,038.51
  6. Step 6: Final answer
    x = 779,541.88

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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.