Home / 434,205.20-651,307.80-403,792.40

Finding the Fourth Proportional to 434,205.20, 651,307.80 and 403,792.40

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Solution

The fourth proportional to 434,205.20, 651,307.80 and 403,792.40 is: 605,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,205.20 : 651,307.80 = 403,792.40 : x
  2. Step 2: Convert to fraction form
    434,205.20/651,307.80 = 403,792.40/x
  3. Step 3: Cross multiply
    434,205.20x = 651,307.80 × 403,792.40
  4. Step 4: Simplify right side
    434,205.20x = 262,993,139,700.72
  5. Step 5: Solve for x
    x = 262,993,139,700.72/434,205.20
  6. Step 6: Final answer
    x = 605,688.60

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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.