Home / 1,539,904.60-2,309,856.90-417,973.60

Finding the Fourth Proportional to 1,539,904.60, 2,309,856.90 and 417,973.60

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Solution

The fourth proportional to 1,539,904.60, 2,309,856.90 and 417,973.60 is: 626,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,904.60 : 2,309,856.90 = 417,973.60 : x
  2. Step 2: Convert to fraction form
    1,539,904.60/2,309,856.90 = 417,973.60/x
  3. Step 3: Cross multiply
    1,539,904.60x = 2,309,856.90 × 417,973.60
  4. Step 4: Simplify right side
    1,539,904.60x = 965,459,203,977.84
  5. Step 5: Solve for x
    x = 965,459,203,977.84/1,539,904.60
  6. Step 6: Final answer
    x = 626,960.40

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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.