Home / 384,542.86-530,666.13-223,492.18

Finding the Fourth Proportional to 384,542.86, 530,666.13 and 223,492.18

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Solution

The fourth proportional to 384,542.86, 530,666.13 and 223,492.18 is: 308,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,542.86 : 530,666.13 = 223,492.18 : x
  2. Step 2: Convert to fraction form
    384,542.86/530,666.13 = 223,492.18/x
  3. Step 3: Cross multiply
    384,542.86x = 530,666.13 × 223,492.18
  4. Step 4: Simplify right side
    384,542.86x = 118,599,730,245.86
  5. Step 5: Solve for x
    x = 118,599,730,245.86/384,542.86
  6. Step 6: Final answer
    x = 308,417.46

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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.