Home / 1,160,919.64-1,602,038.50-644,657.64

Finding the Fourth Proportional to 1,160,919.64, 1,602,038.50 and 644,657.64

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Solution

The fourth proportional to 1,160,919.64, 1,602,038.50 and 644,657.64 is: 889,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,919.64 : 1,602,038.50 = 644,657.64 : x
  2. Step 2: Convert to fraction form
    1,160,919.64/1,602,038.50 = 644,657.64/x
  3. Step 3: Cross multiply
    1,160,919.64x = 1,602,038.50 × 644,657.64
  4. Step 4: Simplify right side
    1,160,919.64x = 1,032,766,354,606.05
  5. Step 5: Solve for x
    x = 1,032,766,354,606.05/1,160,919.64
  6. Step 6: Final answer
    x = 889,610.54

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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.