Home / 639,411.14-882,068.90-446,223.98

Finding the Fourth Proportional to 639,411.14, 882,068.90 and 446,223.98

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Solution

The fourth proportional to 639,411.14, 882,068.90 and 446,223.98 is: 615,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,411.14 : 882,068.90 = 446,223.98 : x
  2. Step 2: Convert to fraction form
    639,411.14/882,068.90 = 446,223.98/x
  3. Step 3: Cross multiply
    639,411.14x = 882,068.90 × 446,223.98
  4. Step 4: Simplify right side
    639,411.14x = 393,600,295,192.22
  5. Step 5: Solve for x
    x = 393,600,295,192.22/639,411.14
  6. Step 6: Final answer
    x = 615,566.84

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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.