Home / 628,687.04-943,031.44-155,365.20

Finding the Fourth Proportional to 628,687.04, 943,031.44 and 155,365.20

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Solution

The fourth proportional to 628,687.04, 943,031.44 and 155,365.20 is: 233,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,687.04 : 943,031.44 = 155,365.20 : x
  2. Step 2: Convert to fraction form
    628,687.04/943,031.44 = 155,365.20/x
  3. Step 3: Cross multiply
    628,687.04x = 943,031.44 × 155,365.20
  4. Step 4: Simplify right side
    628,687.04x = 146,514,268,281.89
  5. Step 5: Solve for x
    x = 146,514,268,281.89/628,687.04
  6. Step 6: Final answer
    x = 233,048.02

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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.