Home / 495,477.18-683,754.75-269,124.30

Finding the Fourth Proportional to 495,477.18, 683,754.75 and 269,124.30

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Solution

The fourth proportional to 495,477.18, 683,754.75 and 269,124.30 is: 371,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,477.18 : 683,754.75 = 269,124.30 : x
  2. Step 2: Convert to fraction form
    495,477.18/683,754.75 = 269,124.30/x
  3. Step 3: Cross multiply
    495,477.18x = 683,754.75 × 269,124.30
  4. Step 4: Simplify right side
    495,477.18x = 184,015,018,465.43
  5. Step 5: Solve for x
    x = 184,015,018,465.43/495,477.18
  6. Step 6: Final answer
    x = 371,389.49

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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.