Home / 858,798.64-1,185,403.62-536,303.44

Finding the Fourth Proportional to 858,798.64, 1,185,403.62 and 536,303.44

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Solution

The fourth proportional to 858,798.64, 1,185,403.62 and 536,303.44 is: 740,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,798.64 : 1,185,403.62 = 536,303.44 : x
  2. Step 2: Convert to fraction form
    858,798.64/1,185,403.62 = 536,303.44/x
  3. Step 3: Cross multiply
    858,798.64x = 1,185,403.62 × 536,303.44
  4. Step 4: Simplify right side
    858,798.64x = 635,736,039,194.45
  5. Step 5: Solve for x
    x = 635,736,039,194.45/858,798.64
  6. Step 6: Final answer
    x = 740,262.05

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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.