Home / 413,742.42-619,457.33-223,521.26

Finding the Fourth Proportional to 413,742.42, 619,457.33 and 223,521.26

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Solution

The fourth proportional to 413,742.42, 619,457.33 and 223,521.26 is: 334,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,742.42 : 619,457.33 = 223,521.26 : x
  2. Step 2: Convert to fraction form
    413,742.42/619,457.33 = 223,521.26/x
  3. Step 3: Cross multiply
    413,742.42x = 619,457.33 × 223,521.26
  4. Step 4: Simplify right side
    413,742.42x = 138,461,883,307.02
  5. Step 5: Solve for x
    x = 138,461,883,307.02/413,742.42
  6. Step 6: Final answer
    x = 334,657.21

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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.