Home / 555,127.58-831,430.17-434,432.34

Finding the Fourth Proportional to 555,127.58, 831,430.17 and 434,432.34

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Solution

The fourth proportional to 555,127.58, 831,430.17 and 434,432.34 is: 650,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,127.58 : 831,430.17 = 434,432.34 : x
  2. Step 2: Convert to fraction form
    555,127.58/831,430.17 = 434,432.34/x
  3. Step 3: Cross multiply
    555,127.58x = 831,430.17 × 434,432.34
  4. Step 4: Simplify right side
    555,127.58x = 361,200,154,299.70
  5. Step 5: Solve for x
    x = 361,200,154,299.70/555,127.58
  6. Step 6: Final answer
    x = 650,661.52

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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.