Home / 439,269.18-606,205.53-243,038.76

Finding the Fourth Proportional to 439,269.18, 606,205.53 and 243,038.76

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Solution

The fourth proportional to 439,269.18, 606,205.53 and 243,038.76 is: 335,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,269.18 : 606,205.53 = 243,038.76 : x
  2. Step 2: Convert to fraction form
    439,269.18/606,205.53 = 243,038.76/x
  3. Step 3: Cross multiply
    439,269.18x = 606,205.53 × 243,038.76
  4. Step 4: Simplify right side
    439,269.18x = 147,331,440,316.34
  5. Step 5: Solve for x
    x = 147,331,440,316.34/439,269.18
  6. Step 6: Final answer
    x = 335,401.27

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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.