Home / 1,066,812.64-1,600,569.36-436,256.80

Finding the Fourth Proportional to 1,066,812.64, 1,600,569.36 and 436,256.80

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Solution

The fourth proportional to 1,066,812.64, 1,600,569.36 and 436,256.80 is: 654,528.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,812.64 : 1,600,569.36 = 436,256.80 : x
  2. Step 2: Convert to fraction form
    1,066,812.64/1,600,569.36 = 436,256.80/x
  3. Step 3: Cross multiply
    1,066,812.64x = 1,600,569.36 × 436,256.80
  4. Step 4: Simplify right side
    1,066,812.64x = 698,259,267,171.65
  5. Step 5: Solve for x
    x = 698,259,267,171.65/1,066,812.64
  6. Step 6: Final answer
    x = 654,528.49

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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.