Home / 434,570.40-599,707.80-243,585.36

Finding the Fourth Proportional to 434,570.40, 599,707.80 and 243,585.36

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Solution

The fourth proportional to 434,570.40, 599,707.80 and 243,585.36 is: 336,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,570.40 : 599,707.80 = 243,585.36 : x
  2. Step 2: Convert to fraction form
    434,570.40/599,707.80 = 243,585.36/x
  3. Step 3: Cross multiply
    434,570.40x = 599,707.80 × 243,585.36
  4. Step 4: Simplify right side
    434,570.40x = 146,080,040,357.81
  5. Step 5: Solve for x
    x = 146,080,040,357.81/434,570.40
  6. Step 6: Final answer
    x = 336,148.16

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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.