Home / 1,066,434.55-1,471,697.18-636,752.23

Finding the Fourth Proportional to 1,066,434.55, 1,471,697.18 and 636,752.23

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Solution

The fourth proportional to 1,066,434.55, 1,471,697.18 and 636,752.23 is: 878,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,434.55 : 1,471,697.18 = 636,752.23 : x
  2. Step 2: Convert to fraction form
    1,066,434.55/1,471,697.18 = 636,752.23/x
  3. Step 3: Cross multiply
    1,066,434.55x = 1,471,697.18 × 636,752.23
  4. Step 4: Simplify right side
    1,066,434.55x = 937,106,461,249.71
  5. Step 5: Solve for x
    x = 937,106,461,249.71/1,066,434.55
  6. Step 6: Final answer
    x = 878,728.53

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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.