Home / 1,166,915.27-1,610,303.27-643,646.62

Finding the Fourth Proportional to 1,166,915.27, 1,610,303.27 and 643,646.62

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Solution

The fourth proportional to 1,166,915.27, 1,610,303.27 and 643,646.62 is: 888,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,915.27 : 1,610,303.27 = 643,646.62 : x
  2. Step 2: Convert to fraction form
    1,166,915.27/1,610,303.27 = 643,646.62/x
  3. Step 3: Cross multiply
    1,166,915.27x = 1,610,303.27 × 643,646.62
  4. Step 4: Simplify right side
    1,166,915.27x = 1,036,466,252,532.14
  5. Step 5: Solve for x
    x = 1,036,466,252,532.14/1,166,915.27
  6. Step 6: Final answer
    x = 888,210.38

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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.