Home / 1,187,893.91-1,781,747.90-334,931.11

Finding the Fourth Proportional to 1,187,893.91, 1,781,747.90 and 334,931.11

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Solution

The fourth proportional to 1,187,893.91, 1,781,747.90 and 334,931.11 is: 502,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,893.91 : 1,781,747.90 = 334,931.11 : x
  2. Step 2: Convert to fraction form
    1,187,893.91/1,781,747.90 = 334,931.11/x
  3. Step 3: Cross multiply
    1,187,893.91x = 1,781,747.90 × 334,931.11
  4. Step 4: Simplify right side
    1,187,893.91x = 596,762,800,212.51
  5. Step 5: Solve for x
    x = 596,762,800,212.51/1,187,893.91
  6. Step 6: Final answer
    x = 502,370.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.