Home / 623,899.49-860,981.86-337,419.57

Finding the Fourth Proportional to 623,899.49, 860,981.86 and 337,419.57

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Solution

The fourth proportional to 623,899.49, 860,981.86 and 337,419.57 is: 465,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,899.49 : 860,981.86 = 337,419.57 : x
  2. Step 2: Convert to fraction form
    623,899.49/860,981.86 = 337,419.57/x
  3. Step 3: Cross multiply
    623,899.49x = 860,981.86 × 337,419.57
  4. Step 4: Simplify right side
    623,899.49x = 290,512,133,578.45
  5. Step 5: Solve for x
    x = 290,512,133,578.45/623,899.49
  6. Step 6: Final answer
    x = 465,639.32

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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.