Home / 495,440.64-683,991.36-326,166.84

Finding the Fourth Proportional to 495,440.64, 683,991.36 and 326,166.84

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Solution

The fourth proportional to 495,440.64, 683,991.36 and 326,166.84 is: 450,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,440.64 : 683,991.36 = 326,166.84 : x
  2. Step 2: Convert to fraction form
    495,440.64/683,991.36 = 326,166.84/x
  3. Step 3: Cross multiply
    495,440.64x = 683,991.36 × 326,166.84
  4. Step 4: Simplify right side
    495,440.64x = 223,095,300,478.50
  5. Step 5: Solve for x
    x = 223,095,300,478.50/495,440.64
  6. Step 6: Final answer
    x = 450,296.73

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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.