Home / 1,155,977.16-1,595,569.40-672,636

Finding the Fourth Proportional to 1,155,977.16, 1,595,569.40 and 672,636

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Solution

The fourth proportional to 1,155,977.16, 1,595,569.40 and 672,636 is: 928,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,977.16 : 1,595,569.40 = 672,636 : x
  2. Step 2: Convert to fraction form
    1,155,977.16/1,595,569.40 = 672,636/x
  3. Step 3: Cross multiply
    1,155,977.16x = 1,595,569.40 × 672,636
  4. Step 4: Simplify right side
    1,155,977.16x = 1,073,237,418,938.40
  5. Step 5: Solve for x
    x = 1,073,237,418,938.40/1,155,977.16
  6. Step 6: Final answer
    x = 928,424.42

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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.