Home / 1,117,993.64-1,542,877.58-634,603.76

Finding the Fourth Proportional to 1,117,993.64, 1,542,877.58 and 634,603.76

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Solution

The fourth proportional to 1,117,993.64, 1,542,877.58 and 634,603.76 is: 875,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,993.64 : 1,542,877.58 = 634,603.76 : x
  2. Step 2: Convert to fraction form
    1,117,993.64/1,542,877.58 = 634,603.76/x
  3. Step 3: Cross multiply
    1,117,993.64x = 1,542,877.58 × 634,603.76
  4. Step 4: Simplify right side
    1,117,993.64x = 979,115,918,931.40
  5. Step 5: Solve for x
    x = 979,115,918,931.40/1,117,993.64
  6. Step 6: Final answer
    x = 875,779.51

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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.