Home / 1,518,254.70-2,277,406.35-396,323.70

Finding the Fourth Proportional to 1,518,254.70, 2,277,406.35 and 396,323.70

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Solution

The fourth proportional to 1,518,254.70, 2,277,406.35 and 396,323.70 is: 594,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,254.70 : 2,277,406.35 = 396,323.70 : x
  2. Step 2: Convert to fraction form
    1,518,254.70/2,277,406.35 = 396,323.70/x
  3. Step 3: Cross multiply
    1,518,254.70x = 2,277,406.35 × 396,323.70
  4. Step 4: Simplify right side
    1,518,254.70x = 902,590,111,035.50
  5. Step 5: Solve for x
    x = 902,590,111,035.50/1,518,254.70
  6. Step 6: Final answer
    x = 594,491.89

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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.