Home / 651,278.02-899,071.50-436,558.36

Finding the Fourth Proportional to 651,278.02, 899,071.50 and 436,558.36

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Solution

The fourth proportional to 651,278.02, 899,071.50 and 436,558.36 is: 602,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,278.02 : 899,071.50 = 436,558.36 : x
  2. Step 2: Convert to fraction form
    651,278.02/899,071.50 = 436,558.36/x
  3. Step 3: Cross multiply
    651,278.02x = 899,071.50 × 436,558.36
  4. Step 4: Simplify right side
    651,278.02x = 392,497,179,562.74
  5. Step 5: Solve for x
    x = 392,497,179,562.74/651,278.02
  6. Step 6: Final answer
    x = 602,656.88

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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.