Home / 1,437,639.93-2,155,650.71-477,581.58

Finding the Fourth Proportional to 1,437,639.93, 2,155,650.71 and 477,581.58

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Solution

The fourth proportional to 1,437,639.93, 2,155,650.71 and 477,581.58 is: 716,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,639.93 : 2,155,650.71 = 477,581.58 : x
  2. Step 2: Convert to fraction form
    1,437,639.93/2,155,650.71 = 477,581.58/x
  3. Step 3: Cross multiply
    1,437,639.93x = 2,155,650.71 × 477,581.58
  4. Step 4: Simplify right side
    1,437,639.93x = 1,029,499,069,622.01
  5. Step 5: Solve for x
    x = 1,029,499,069,622.01/1,437,639.93
  6. Step 6: Final answer
    x = 716,103.56

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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.