Home / 2,139,032.50-3,208,518.30-519,813.22

Finding the Fourth Proportional to 2,139,032.50, 3,208,518.30 and 519,813.22

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Solution

The fourth proportional to 2,139,032.50, 3,208,518.30 and 519,813.22 is: 779,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,032.50 : 3,208,518.30 = 519,813.22 : x
  2. Step 2: Convert to fraction form
    2,139,032.50/3,208,518.30 = 519,813.22/x
  3. Step 3: Cross multiply
    2,139,032.50x = 3,208,518.30 × 519,813.22
  4. Step 4: Simplify right side
    2,139,032.50x = 1,667,830,228,951.93
  5. Step 5: Solve for x
    x = 1,667,830,228,951.93/2,139,032.50
  6. Step 6: Final answer
    x = 779,712.43

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Double scale
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1.5x scale

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.