Home / 1,023,816.16-1,413,377.81-636,756.35

Finding the Fourth Proportional to 1,023,816.16, 1,413,377.81 and 636,756.35

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Solution

The fourth proportional to 1,023,816.16, 1,413,377.81 and 636,756.35 is: 879,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,816.16 : 1,413,377.81 = 636,756.35 : x
  2. Step 2: Convert to fraction form
    1,023,816.16/1,413,377.81 = 636,756.35/x
  3. Step 3: Cross multiply
    1,023,816.16x = 1,413,377.81 × 636,756.35
  4. Step 4: Simplify right side
    1,023,816.16x = 899,977,294,265.23
  5. Step 5: Solve for x
    x = 899,977,294,265.23/1,023,816.16
  6. Step 6: Final answer
    x = 879,041.89

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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.