Home / 926,376.20-1,388,600.93-358,147.58

Finding the Fourth Proportional to 926,376.20, 1,388,600.93 and 358,147.58

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Solution

The fourth proportional to 926,376.20, 1,388,600.93 and 358,147.58 is: 536,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,376.20 : 1,388,600.93 = 358,147.58 : x
  2. Step 2: Convert to fraction form
    926,376.20/1,388,600.93 = 358,147.58/x
  3. Step 3: Cross multiply
    926,376.20x = 1,388,600.93 × 358,147.58
  4. Step 4: Simplify right side
    926,376.20x = 497,324,053,931.51
  5. Step 5: Solve for x
    x = 497,324,053,931.51/926,376.20
  6. Step 6: Final answer
    x = 536,848.91

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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.