Home / 405,925.04-560,452.20-253,024.40

Finding the Fourth Proportional to 405,925.04, 560,452.20 and 253,024.40

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Solution

The fourth proportional to 405,925.04, 560,452.20 and 253,024.40 is: 349,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,925.04 : 560,452.20 = 253,024.40 : x
  2. Step 2: Convert to fraction form
    405,925.04/560,452.20 = 253,024.40/x
  3. Step 3: Cross multiply
    405,925.04x = 560,452.20 × 253,024.40
  4. Step 4: Simplify right side
    405,925.04x = 141,808,081,633.68
  5. Step 5: Solve for x
    x = 141,808,081,633.68/405,925.04
  6. Step 6: Final answer
    x = 349,345.49

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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.