Home / 554,719.38-832,599.12-288,668.40

Finding the Fourth Proportional to 554,719.38, 832,599.12 and 288,668.40

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Solution

The fourth proportional to 554,719.38, 832,599.12 and 288,668.40 is: 433,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,719.38 : 832,599.12 = 288,668.40 : x
  2. Step 2: Convert to fraction form
    554,719.38/832,599.12 = 288,668.40/x
  3. Step 3: Cross multiply
    554,719.38x = 832,599.12 × 288,668.40
  4. Step 4: Simplify right side
    554,719.38x = 240,345,055,811.81
  5. Step 5: Solve for x
    x = 240,345,055,811.81/554,719.38
  6. Step 6: Final answer
    x = 433,273.23

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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.