Home / 389,973.40-584,960.10-224,085.40

Finding the Fourth Proportional to 389,973.40, 584,960.10 and 224,085.40

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Solution

The fourth proportional to 389,973.40, 584,960.10 and 224,085.40 is: 336,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,973.40 : 584,960.10 = 224,085.40 : x
  2. Step 2: Convert to fraction form
    389,973.40/584,960.10 = 224,085.40/x
  3. Step 3: Cross multiply
    389,973.40x = 584,960.10 × 224,085.40
  4. Step 4: Simplify right side
    389,973.40x = 131,081,017,992.54
  5. Step 5: Solve for x
    x = 131,081,017,992.54/389,973.40
  6. Step 6: Final answer
    x = 336,128.10

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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.