Home / 1,118,686.64-1,543,737.72-653,583.68

Finding the Fourth Proportional to 1,118,686.64, 1,543,737.72 and 653,583.68

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Solution

The fourth proportional to 1,118,686.64, 1,543,737.72 and 653,583.68 is: 901,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,686.64 : 1,543,737.72 = 653,583.68 : x
  2. Step 2: Convert to fraction form
    1,118,686.64/1,543,737.72 = 653,583.68/x
  3. Step 3: Cross multiply
    1,118,686.64x = 1,543,737.72 × 653,583.68
  4. Step 4: Simplify right side
    1,118,686.64x = 1,008,961,779,992.41
  5. Step 5: Solve for x
    x = 1,008,961,779,992.41/1,118,686.64
  6. Step 6: Final answer
    x = 901,916.36

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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.