Home / 1,407,496.23-2,111,244.58-342,538.30

Finding the Fourth Proportional to 1,407,496.23, 2,111,244.58 and 342,538.30

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Solution

The fourth proportional to 1,407,496.23, 2,111,244.58 and 342,538.30 is: 513,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,496.23 : 2,111,244.58 = 342,538.30 : x
  2. Step 2: Convert to fraction form
    1,407,496.23/2,111,244.58 = 342,538.30/x
  3. Step 3: Cross multiply
    1,407,496.23x = 2,111,244.58 × 342,538.30
  4. Step 4: Simplify right side
    1,407,496.23x = 723,182,132,384.64
  5. Step 5: Solve for x
    x = 723,182,132,384.64/1,407,496.23
  6. Step 6: Final answer
    x = 513,807.51

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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.