Home / 887,157.42-1,223,002.54-632,065.74

Finding the Fourth Proportional to 887,157.42, 1,223,002.54 and 632,065.74

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Solution

The fourth proportional to 887,157.42, 1,223,002.54 and 632,065.74 is: 871,342.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,157.42 : 1,223,002.54 = 632,065.74 : x
  2. Step 2: Convert to fraction form
    887,157.42/1,223,002.54 = 632,065.74/x
  3. Step 3: Cross multiply
    887,157.42x = 1,223,002.54 × 632,065.74
  4. Step 4: Simplify right side
    887,157.42x = 773,018,005,466.98
  5. Step 5: Solve for x
    x = 773,018,005,466.98/887,157.42
  6. Step 6: Final answer
    x = 871,342.55

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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.