Home / 1,475,250.60-2,212,875.90-477,978.60

Finding the Fourth Proportional to 1,475,250.60, 2,212,875.90 and 477,978.60

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Solution

The fourth proportional to 1,475,250.60, 2,212,875.90 and 477,978.60 is: 716,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,250.60 : 2,212,875.90 = 477,978.60 : x
  2. Step 2: Convert to fraction form
    1,475,250.60/2,212,875.90 = 477,978.60/x
  3. Step 3: Cross multiply
    1,475,250.60x = 2,212,875.90 × 477,978.60
  4. Step 4: Simplify right side
    1,475,250.60x = 1,057,707,324,655.74
  5. Step 5: Solve for x
    x = 1,057,707,324,655.74/1,475,250.60
  6. Step 6: Final answer
    x = 716,967.90

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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.