Home / 849,783.65-1,276,151.70-451,202.90

Finding the Fourth Proportional to 849,783.65, 1,276,151.70 and 451,202.90

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Solution

The fourth proportional to 849,783.65, 1,276,151.70 and 451,202.90 is: 677,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,783.65 : 1,276,151.70 = 451,202.90 : x
  2. Step 2: Convert to fraction form
    849,783.65/1,276,151.70 = 451,202.90/x
  3. Step 3: Cross multiply
    849,783.65x = 1,276,151.70 × 451,202.90
  4. Step 4: Simplify right side
    849,783.65x = 575,803,347,879.93
  5. Step 5: Solve for x
    x = 575,803,347,879.93/849,783.65
  6. Step 6: Final answer
    x = 677,588.17

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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.