Home / 887,432.36-1,224,810.52-857,907.86

Finding the Fourth Proportional to 887,432.36, 1,224,810.52 and 857,907.86

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Solution

The fourth proportional to 887,432.36, 1,224,810.52 and 857,907.86 is: 1,184,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,432.36 : 1,224,810.52 = 857,907.86 : x
  2. Step 2: Convert to fraction form
    887,432.36/1,224,810.52 = 857,907.86/x
  3. Step 3: Cross multiply
    887,432.36x = 1,224,810.52 × 857,907.86
  4. Step 4: Simplify right side
    887,432.36x = 1,050,774,563,849.87
  5. Step 5: Solve for x
    x = 1,050,774,563,849.87/887,432.36
  6. Step 6: Final answer
    x = 1,184,061.59

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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.