Home / 1,018,404.48-1,405,358.88-565,724.16

Finding the Fourth Proportional to 1,018,404.48, 1,405,358.88 and 565,724.16

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Solution

The fourth proportional to 1,018,404.48, 1,405,358.88 and 565,724.16 is: 780,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,404.48 : 1,405,358.88 = 565,724.16 : x
  2. Step 2: Convert to fraction form
    1,018,404.48/1,405,358.88 = 565,724.16/x
  3. Step 3: Cross multiply
    1,018,404.48x = 1,405,358.88 × 565,724.16
  4. Step 4: Simplify right side
    1,018,404.48x = 795,045,471,886.54
  5. Step 5: Solve for x
    x = 795,045,471,886.54/1,018,404.48
  6. Step 6: Final answer
    x = 780,677.51

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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.