Home / 495,561.16-683,816.37-291,567.22

Finding the Fourth Proportional to 495,561.16, 683,816.37 and 291,567.22

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Solution

The fourth proportional to 495,561.16, 683,816.37 and 291,567.22 is: 402,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,561.16 : 683,816.37 = 291,567.22 : x
  2. Step 2: Convert to fraction form
    495,561.16/683,816.37 = 291,567.22/x
  3. Step 3: Cross multiply
    495,561.16x = 683,816.37 × 291,567.22
  4. Step 4: Simplify right side
    495,561.16x = 199,378,437,991.39
  5. Step 5: Solve for x
    x = 199,378,437,991.39/495,561.16
  6. Step 6: Final answer
    x = 402,328.62

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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.