Home / 593,742.40-891,170.40-313,460.80

Finding the Fourth Proportional to 593,742.40, 891,170.40 and 313,460.80

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Solution

The fourth proportional to 593,742.40, 891,170.40 and 313,460.80 is: 470,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,742.40 : 891,170.40 = 313,460.80 : x
  2. Step 2: Convert to fraction form
    593,742.40/891,170.40 = 313,460.80/x
  3. Step 3: Cross multiply
    593,742.40x = 891,170.40 × 313,460.80
  4. Step 4: Simplify right side
    593,742.40x = 279,346,986,520.32
  5. Step 5: Solve for x
    x = 279,346,986,520.32/593,742.40
  6. Step 6: Final answer
    x = 470,485.16

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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.