Home / 1,151,570.32-1,727,661.80-393,410.68

Finding the Fourth Proportional to 1,151,570.32, 1,727,661.80 and 393,410.68

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Solution

The fourth proportional to 1,151,570.32, 1,727,661.80 and 393,410.68 is: 590,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,570.32 : 1,727,661.80 = 393,410.68 : x
  2. Step 2: Convert to fraction form
    1,151,570.32/1,727,661.80 = 393,410.68/x
  3. Step 3: Cross multiply
    1,151,570.32x = 1,727,661.80 × 393,410.68
  4. Step 4: Simplify right side
    1,151,570.32x = 679,680,603,548.02
  5. Step 5: Solve for x
    x = 679,680,603,548.02/1,151,570.32
  6. Step 6: Final answer
    x = 590,220.67

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Double scale
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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.