Home / 926,315.60-1,387,505.10-768,851.60

Finding the Fourth Proportional to 926,315.60, 1,387,505.10 and 768,851.60

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Solution

The fourth proportional to 926,315.60, 1,387,505.10 and 768,851.60 is: 1,151,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,315.60 : 1,387,505.10 = 768,851.60 : x
  2. Step 2: Convert to fraction form
    926,315.60/1,387,505.10 = 768,851.60/x
  3. Step 3: Cross multiply
    926,315.60x = 1,387,505.10 × 768,851.60
  4. Step 4: Simplify right side
    926,315.60x = 1,066,785,516,143.16
  5. Step 5: Solve for x
    x = 1,066,785,516,143.16/926,315.60
  6. Step 6: Final answer
    x = 1,151,643.69

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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.