Home / 701,328.80-1,051,993.20-402,730.40

Finding the Fourth Proportional to 701,328.80, 1,051,993.20 and 402,730.40

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Solution

The fourth proportional to 701,328.80, 1,051,993.20 and 402,730.40 is: 604,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,328.80 : 1,051,993.20 = 402,730.40 : x
  2. Step 2: Convert to fraction form
    701,328.80/1,051,993.20 = 402,730.40/x
  3. Step 3: Cross multiply
    701,328.80x = 1,051,993.20 × 402,730.40
  4. Step 4: Simplify right side
    701,328.80x = 423,669,642,233.28
  5. Step 5: Solve for x
    x = 423,669,642,233.28/701,328.80
  6. Step 6: Final answer
    x = 604,095.60

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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.