Home / 389,027.90-583,050.98-208,666.01

Finding the Fourth Proportional to 389,027.90, 583,050.98 and 208,666.01

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Solution

The fourth proportional to 389,027.90, 583,050.98 and 208,666.01 is: 312,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,027.90 : 583,050.98 = 208,666.01 : x
  2. Step 2: Convert to fraction form
    389,027.90/583,050.98 = 208,666.01/x
  3. Step 3: Cross multiply
    389,027.90x = 583,050.98 × 208,666.01
  4. Step 4: Simplify right side
    389,027.90x = 121,662,917,664.61
  5. Step 5: Solve for x
    x = 121,662,917,664.61/389,027.90
  6. Step 6: Final answer
    x = 312,735.72

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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.