Home / 1,317,777.52-1,817,830.80-801,688.72

Finding the Fourth Proportional to 1,317,777.52, 1,817,830.80 and 801,688.72

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Solution

The fourth proportional to 1,317,777.52, 1,817,830.80 and 801,688.72 is: 1,105,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,777.52 : 1,817,830.80 = 801,688.72 : x
  2. Step 2: Convert to fraction form
    1,317,777.52/1,817,830.80 = 801,688.72/x
  3. Step 3: Cross multiply
    1,317,777.52x = 1,817,830.80 × 801,688.72
  4. Step 4: Simplify right side
    1,317,777.52x = 1,457,334,447,228.58
  5. Step 5: Solve for x
    x = 1,457,334,447,228.58/1,317,777.52
  6. Step 6: Final answer
    x = 1,105,903.25

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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.