Home / 1,117,911.79-1,542,746.01-608,642.11

Finding the Fourth Proportional to 1,117,911.79, 1,542,746.01 and 608,642.11

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Solution

The fourth proportional to 1,117,911.79, 1,542,746.01 and 608,642.11 is: 839,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,911.79 : 1,542,746.01 = 608,642.11 : x
  2. Step 2: Convert to fraction form
    1,117,911.79/1,542,746.01 = 608,642.11/x
  3. Step 3: Cross multiply
    1,117,911.79x = 1,542,746.01 × 608,642.11
  4. Step 4: Simplify right side
    1,117,911.79x = 938,980,186,720.48
  5. Step 5: Solve for x
    x = 938,980,186,720.48/1,117,911.79
  6. Step 6: Final answer
    x = 839,941.21

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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.