Home / 340,574.13-469,909.53-224,275.59

Finding the Fourth Proportional to 340,574.13, 469,909.53 and 224,275.59

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Solution

The fourth proportional to 340,574.13, 469,909.53 and 224,275.59 is: 309,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,574.13 : 469,909.53 = 224,275.59 : x
  2. Step 2: Convert to fraction form
    340,574.13/469,909.53 = 224,275.59/x
  3. Step 3: Cross multiply
    340,574.13x = 469,909.53 × 224,275.59
  4. Step 4: Simplify right side
    340,574.13x = 105,389,237,087.37
  5. Step 5: Solve for x
    x = 105,389,237,087.37/340,574.13
  6. Step 6: Final answer
    x = 309,445.81

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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.