Home / 1,107,607.60-1,528,530.51-624,146.14

Finding the Fourth Proportional to 1,107,607.60, 1,528,530.51 and 624,146.14

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Solution

The fourth proportional to 1,107,607.60, 1,528,530.51 and 624,146.14 is: 861,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,607.60 : 1,528,530.51 = 624,146.14 : x
  2. Step 2: Convert to fraction form
    1,107,607.60/1,528,530.51 = 624,146.14/x
  3. Step 3: Cross multiply
    1,107,607.60x = 1,528,530.51 × 624,146.14
  4. Step 4: Simplify right side
    1,107,607.60x = 954,026,417,688.73
  5. Step 5: Solve for x
    x = 954,026,417,688.73/1,107,607.60
  6. Step 6: Final answer
    x = 861,339.72

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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.