Home / 784,509.51-1,176,764.28-548,313.51

Finding the Fourth Proportional to 784,509.51, 1,176,764.28 and 548,313.51

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Solution

The fourth proportional to 784,509.51, 1,176,764.28 and 548,313.51 is: 822,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,509.51 : 1,176,764.28 = 548,313.51 : x
  2. Step 2: Convert to fraction form
    784,509.51/1,176,764.28 = 548,313.51/x
  3. Step 3: Cross multiply
    784,509.51x = 1,176,764.28 × 548,313.51
  4. Step 4: Simplify right side
    784,509.51x = 645,235,752,809.42
  5. Step 5: Solve for x
    x = 645,235,752,809.42/784,509.51
  6. Step 6: Final answer
    x = 822,470.28

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Double scale
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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.