Home / 1,165,298.84-1,608,155.83-642,030.74

Finding the Fourth Proportional to 1,165,298.84, 1,608,155.83 and 642,030.74

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Solution

The fourth proportional to 1,165,298.84, 1,608,155.83 and 642,030.74 is: 886,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,298.84 : 1,608,155.83 = 642,030.74 : x
  2. Step 2: Convert to fraction form
    1,165,298.84/1,608,155.83 = 642,030.74/x
  3. Step 3: Cross multiply
    1,165,298.84x = 1,608,155.83 × 642,030.74
  4. Step 4: Simplify right side
    1,165,298.84x = 1,032,485,472,751.14
  5. Step 5: Solve for x
    x = 1,032,485,472,751.14/1,165,298.84
  6. Step 6: Final answer
    x = 886,026.35

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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.