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Finding the Fourth Proportional to 1,048,579.83, 1,565,757.54 and 832,927.05

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Solution

The fourth proportional to 1,048,579.83, 1,565,757.54 and 832,927.05 is: 1,243,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,579.83 : 1,565,757.54 = 832,927.05 : x
  2. Step 2: Convert to fraction form
    1,048,579.83/1,565,757.54 = 832,927.05/x
  3. Step 3: Cross multiply
    1,048,579.83x = 1,565,757.54 × 832,927.05
  4. Step 4: Simplify right side
    1,048,579.83x = 1,304,161,808,807.46
  5. Step 5: Solve for x
    x = 1,304,161,808,807.46/1,048,579.83
  6. Step 6: Final answer
    x = 1,243,741.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.