Home / 993,554.64-1,489,296.78-460,636.20

Finding the Fourth Proportional to 993,554.64, 1,489,296.78 and 460,636.20

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Solution

The fourth proportional to 993,554.64, 1,489,296.78 and 460,636.20 is: 690,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,554.64 : 1,489,296.78 = 460,636.20 : x
  2. Step 2: Convert to fraction form
    993,554.64/1,489,296.78 = 460,636.20/x
  3. Step 3: Cross multiply
    993,554.64x = 1,489,296.78 × 460,636.20
  4. Step 4: Simplify right side
    993,554.64x = 686,024,009,411.44
  5. Step 5: Solve for x
    x = 686,024,009,411.44/993,554.64
  6. Step 6: Final answer
    x = 690,474.37

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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.