Home / 1,591,416.51-2,387,101.13-393,338.76

Finding the Fourth Proportional to 1,591,416.51, 2,387,101.13 and 393,338.76

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Solution

The fourth proportional to 1,591,416.51, 2,387,101.13 and 393,338.76 is: 590,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,416.51 : 2,387,101.13 = 393,338.76 : x
  2. Step 2: Convert to fraction form
    1,591,416.51/2,387,101.13 = 393,338.76/x
  3. Step 3: Cross multiply
    1,591,416.51x = 2,387,101.13 × 393,338.76
  4. Step 4: Simplify right side
    1,591,416.51x = 938,939,386,533.29
  5. Step 5: Solve for x
    x = 938,939,386,533.29/1,591,416.51
  6. Step 6: Final answer
    x = 590,002.29

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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.