Home / 1,365,573.28-1,884,493.20-761,962.72

Finding the Fourth Proportional to 1,365,573.28, 1,884,493.20 and 761,962.72

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Solution

The fourth proportional to 1,365,573.28, 1,884,493.20 and 761,962.72 is: 1,051,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,573.28 : 1,884,493.20 = 761,962.72 : x
  2. Step 2: Convert to fraction form
    1,365,573.28/1,884,493.20 = 761,962.72/x
  3. Step 3: Cross multiply
    1,365,573.28x = 1,884,493.20 × 761,962.72
  4. Step 4: Simplify right side
    1,365,573.28x = 1,435,913,564,493.50
  5. Step 5: Solve for x
    x = 1,435,913,564,493.50/1,365,573.28
  6. Step 6: Final answer
    x = 1,051,509.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.