Home / 1,128,595.86-1,557,458.01-619,306.74

Finding the Fourth Proportional to 1,128,595.86, 1,557,458.01 and 619,306.74

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Solution

The fourth proportional to 1,128,595.86, 1,557,458.01 and 619,306.74 is: 854,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,595.86 : 1,557,458.01 = 619,306.74 : x
  2. Step 2: Convert to fraction form
    1,128,595.86/1,557,458.01 = 619,306.74/x
  3. Step 3: Cross multiply
    1,128,595.86x = 1,557,458.01 × 619,306.74
  4. Step 4: Simplify right side
    1,128,595.86x = 964,544,242,859.99
  5. Step 5: Solve for x
    x = 964,544,242,859.99/1,128,595.86
  6. Step 6: Final answer
    x = 854,640.95

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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.