Home / 1,539,196.47-2,309,168.40-474,238.50

Finding the Fourth Proportional to 1,539,196.47, 2,309,168.40 and 474,238.50

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Solution

The fourth proportional to 1,539,196.47, 2,309,168.40 and 474,238.50 is: 711,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,196.47 : 2,309,168.40 = 474,238.50 : x
  2. Step 2: Convert to fraction form
    1,539,196.47/2,309,168.40 = 474,238.50/x
  3. Step 3: Cross multiply
    1,539,196.47x = 2,309,168.40 × 474,238.50
  4. Step 4: Simplify right side
    1,539,196.47x = 1,095,096,558,263.40
  5. Step 5: Solve for x
    x = 1,095,096,558,263.40/1,539,196.47
  6. Step 6: Final answer
    x = 711,472.89

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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.