Home / 983,205.54-1,356,802.72-547,621.53

Finding the Fourth Proportional to 983,205.54, 1,356,802.72 and 547,621.53

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Solution

The fourth proportional to 983,205.54, 1,356,802.72 and 547,621.53 is: 755,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,205.54 : 1,356,802.72 = 547,621.53 : x
  2. Step 2: Convert to fraction form
    983,205.54/1,356,802.72 = 547,621.53/x
  3. Step 3: Cross multiply
    983,205.54x = 1,356,802.72 × 547,621.53
  4. Step 4: Simplify right side
    983,205.54x = 743,014,374,977.50
  5. Step 5: Solve for x
    x = 743,014,374,977.50/983,205.54
  6. Step 6: Final answer
    x = 755,706.05

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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.