Home / 1,909,783.60-2,864,675.40-898,276.72

Finding the Fourth Proportional to 1,909,783.60, 2,864,675.40 and 898,276.72

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Solution

The fourth proportional to 1,909,783.60, 2,864,675.40 and 898,276.72 is: 1,347,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,783.60 : 2,864,675.40 = 898,276.72 : x
  2. Step 2: Convert to fraction form
    1,909,783.60/2,864,675.40 = 898,276.72/x
  3. Step 3: Cross multiply
    1,909,783.60x = 2,864,675.40 × 898,276.72
  4. Step 4: Simplify right side
    1,909,783.60x = 2,573,271,222,176.69
  5. Step 5: Solve for x
    x = 2,573,271,222,176.69/1,909,783.60
  6. Step 6: Final answer
    x = 1,347,415.08

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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.