Home / 370,783.24-511,409.10-243,412.36

Finding the Fourth Proportional to 370,783.24, 511,409.10 and 243,412.36

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Solution

The fourth proportional to 370,783.24, 511,409.10 and 243,412.36 is: 335,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,783.24 : 511,409.10 = 243,412.36 : x
  2. Step 2: Convert to fraction form
    370,783.24/511,409.10 = 243,412.36/x
  3. Step 3: Cross multiply
    370,783.24x = 511,409.10 × 243,412.36
  4. Step 4: Simplify right side
    370,783.24x = 124,483,295,956.48
  5. Step 5: Solve for x
    x = 124,483,295,956.48/370,783.24
  6. Step 6: Final answer
    x = 335,730.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.