Home / 1,124,036.40-1,551,196.81-640,646.53

Finding the Fourth Proportional to 1,124,036.40, 1,551,196.81 and 640,646.53

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Solution

The fourth proportional to 1,124,036.40, 1,551,196.81 and 640,646.53 is: 884,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,036.40 : 1,551,196.81 = 640,646.53 : x
  2. Step 2: Convert to fraction form
    1,124,036.40/1,551,196.81 = 640,646.53/x
  3. Step 3: Cross multiply
    1,124,036.40x = 1,551,196.81 × 640,646.53
  4. Step 4: Simplify right side
    1,124,036.40x = 993,768,853,673.57
  5. Step 5: Solve for x
    x = 993,768,853,673.57/1,124,036.40
  6. Step 6: Final answer
    x = 884,107.36

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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.