Home / 710,240.55-979,819.87-434,611.53

Finding the Fourth Proportional to 710,240.55, 979,819.87 and 434,611.53

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Solution

The fourth proportional to 710,240.55, 979,819.87 and 434,611.53 is: 599,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,240.55 : 979,819.87 = 434,611.53 : x
  2. Step 2: Convert to fraction form
    710,240.55/979,819.87 = 434,611.53/x
  3. Step 3: Cross multiply
    710,240.55x = 979,819.87 × 434,611.53
  4. Step 4: Simplify right side
    710,240.55x = 425,841,014,257.71
  5. Step 5: Solve for x
    x = 425,841,014,257.71/710,240.55
  6. Step 6: Final answer
    x = 599,572.94

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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.