Home / 775,816.01-1,070,599.24-426,923.90

Finding the Fourth Proportional to 775,816.01, 1,070,599.24 and 426,923.90

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Solution

The fourth proportional to 775,816.01, 1,070,599.24 and 426,923.90 is: 589,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,816.01 : 1,070,599.24 = 426,923.90 : x
  2. Step 2: Convert to fraction form
    775,816.01/1,070,599.24 = 426,923.90/x
  3. Step 3: Cross multiply
    775,816.01x = 1,070,599.24 × 426,923.90
  4. Step 4: Simplify right side
    775,816.01x = 457,064,402,877.84
  5. Step 5: Solve for x
    x = 457,064,402,877.84/775,816.01
  6. Step 6: Final answer
    x = 589,140.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.