Home / 892,038.88-1,230,712.14-509,793.40

Finding the Fourth Proportional to 892,038.88, 1,230,712.14 and 509,793.40

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Solution

The fourth proportional to 892,038.88, 1,230,712.14 and 509,793.40 is: 703,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,038.88 : 1,230,712.14 = 509,793.40 : x
  2. Step 2: Convert to fraction form
    892,038.88/1,230,712.14 = 509,793.40/x
  3. Step 3: Cross multiply
    892,038.88x = 1,230,712.14 × 509,793.40
  4. Step 4: Simplify right side
    892,038.88x = 627,408,926,271.88
  5. Step 5: Solve for x
    x = 627,408,926,271.88/892,038.88
  6. Step 6: Final answer
    x = 703,342.58

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1.5x scale

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.