Home / 1,455,867.40-2,183,801.10-509,139.40

Finding the Fourth Proportional to 1,455,867.40, 2,183,801.10 and 509,139.40

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Solution

The fourth proportional to 1,455,867.40, 2,183,801.10 and 509,139.40 is: 763,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,867.40 : 2,183,801.10 = 509,139.40 : x
  2. Step 2: Convert to fraction form
    1,455,867.40/2,183,801.10 = 509,139.40/x
  3. Step 3: Cross multiply
    1,455,867.40x = 2,183,801.10 × 509,139.40
  4. Step 4: Simplify right side
    1,455,867.40x = 1,111,859,181,773.34
  5. Step 5: Solve for x
    x = 1,111,859,181,773.34/1,455,867.40
  6. Step 6: Final answer
    x = 763,709.10

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Double scale
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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.