Home / 1,017,135.78-1,403,712.96-564,426.78

Finding the Fourth Proportional to 1,017,135.78, 1,403,712.96 and 564,426.78

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Solution

The fourth proportional to 1,017,135.78, 1,403,712.96 and 564,426.78 is: 778,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,135.78 : 1,403,712.96 = 564,426.78 : x
  2. Step 2: Convert to fraction form
    1,017,135.78/1,403,712.96 = 564,426.78/x
  3. Step 3: Cross multiply
    1,017,135.78x = 1,403,712.96 × 564,426.78
  4. Step 4: Simplify right side
    1,017,135.78x = 792,293,186,057.07
  5. Step 5: Solve for x
    x = 792,293,186,057.07/1,017,135.78
  6. Step 6: Final answer
    x = 778,945.35

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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.