Home / 434,200.20-651,300.30-403,787.40

Finding the Fourth Proportional to 434,200.20, 651,300.30 and 403,787.40

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Solution

The fourth proportional to 434,200.20, 651,300.30 and 403,787.40 is: 605,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,200.20 : 651,300.30 = 403,787.40 : x
  2. Step 2: Convert to fraction form
    434,200.20/651,300.30 = 403,787.40/x
  3. Step 3: Cross multiply
    434,200.20x = 651,300.30 × 403,787.40
  4. Step 4: Simplify right side
    434,200.20x = 262,986,854,756.22
  5. Step 5: Solve for x
    x = 262,986,854,756.22/434,200.20
  6. Step 6: Final answer
    x = 605,681.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.