Home / 1,106,904.20-1,660,356.30-358,950.20

Finding the Fourth Proportional to 1,106,904.20, 1,660,356.30 and 358,950.20

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Solution

The fourth proportional to 1,106,904.20, 1,660,356.30 and 358,950.20 is: 538,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,904.20 : 1,660,356.30 = 358,950.20 : x
  2. Step 2: Convert to fraction form
    1,106,904.20/1,660,356.30 = 358,950.20/x
  3. Step 3: Cross multiply
    1,106,904.20x = 1,660,356.30 × 358,950.20
  4. Step 4: Simplify right side
    1,106,904.20x = 595,985,225,956.26
  5. Step 5: Solve for x
    x = 595,985,225,956.26/1,106,904.20
  6. Step 6: Final answer
    x = 538,425.30

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Double scale
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Similar ratio
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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.