Home / 926,417.80-1,389,497.10-295,395.40

Finding the Fourth Proportional to 926,417.80, 1,389,497.10 and 295,395.40

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Solution

The fourth proportional to 926,417.80, 1,389,497.10 and 295,395.40 is: 443,051.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,417.80 : 1,389,497.10 = 295,395.40 : x
  2. Step 2: Convert to fraction form
    926,417.80/1,389,497.10 = 295,395.40/x
  3. Step 3: Cross multiply
    926,417.80x = 1,389,497.10 × 295,395.40
  4. Step 4: Simplify right side
    926,417.80x = 410,451,051,653.34
  5. Step 5: Solve for x
    x = 410,451,051,653.34/926,417.80
  6. Step 6: Final answer
    x = 443,051.78

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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.