Home / 609,931.69-841,683.15-351,819.32

Finding the Fourth Proportional to 609,931.69, 841,683.15 and 351,819.32

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Solution

The fourth proportional to 609,931.69, 841,683.15 and 351,819.32 is: 485,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,931.69 : 841,683.15 = 351,819.32 : x
  2. Step 2: Convert to fraction form
    609,931.69/841,683.15 = 351,819.32/x
  3. Step 3: Cross multiply
    609,931.69x = 841,683.15 × 351,819.32
  4. Step 4: Simplify right side
    609,931.69x = 296,120,389,280.04
  5. Step 5: Solve for x
    x = 296,120,389,280.04/609,931.69
  6. Step 6: Final answer
    x = 485,497.63

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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.