Home / 662,088.40-993,127.37-438,449.58

Finding the Fourth Proportional to 662,088.40, 993,127.37 and 438,449.58

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Solution

The fourth proportional to 662,088.40, 993,127.37 and 438,449.58 is: 657,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,088.40 : 993,127.37 = 438,449.58 : x
  2. Step 2: Convert to fraction form
    662,088.40/993,127.37 = 438,449.58/x
  3. Step 3: Cross multiply
    662,088.40x = 993,127.37 × 438,449.58
  4. Step 4: Simplify right side
    662,088.40x = 435,436,276,070.76
  5. Step 5: Solve for x
    x = 435,436,276,070.76/662,088.40
  6. Step 6: Final answer
    x = 657,670.91

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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.