Home / 434,564.10-651,068.55-355,248.90

Finding the Fourth Proportional to 434,564.10, 651,068.55 and 355,248.90

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Solution

The fourth proportional to 434,564.10, 651,068.55 and 355,248.90 is: 532,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,564.10 : 651,068.55 = 355,248.90 : x
  2. Step 2: Convert to fraction form
    434,564.10/651,068.55 = 355,248.90/x
  3. Step 3: Cross multiply
    434,564.10x = 651,068.55 × 355,248.90
  4. Step 4: Simplify right side
    434,564.10x = 231,291,386,212.10
  5. Step 5: Solve for x
    x = 231,291,386,212.10/434,564.10
  6. Step 6: Final answer
    x = 532,237.67

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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.