Home / 1,018,296.48-1,405,209.84-565,616.16

Finding the Fourth Proportional to 1,018,296.48, 1,405,209.84 and 565,616.16

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Solution

The fourth proportional to 1,018,296.48, 1,405,209.84 and 565,616.16 is: 780,528.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,296.48 : 1,405,209.84 = 565,616.16 : x
  2. Step 2: Convert to fraction form
    1,018,296.48/1,405,209.84 = 565,616.16/x
  3. Step 3: Cross multiply
    1,018,296.48x = 1,405,209.84 × 565,616.16
  4. Step 4: Simplify right side
    1,018,296.48x = 794,809,393,695.02
  5. Step 5: Solve for x
    x = 794,809,393,695.02/1,018,296.48
  6. Step 6: Final answer
    x = 780,528.47

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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.