Home / 761,850.48-1,051,347.84-417,682.32

Finding the Fourth Proportional to 761,850.48, 1,051,347.84 and 417,682.32

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Solution

The fourth proportional to 761,850.48, 1,051,347.84 and 417,682.32 is: 576,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,850.48 : 1,051,347.84 = 417,682.32 : x
  2. Step 2: Convert to fraction form
    761,850.48/1,051,347.84 = 417,682.32/x
  3. Step 3: Cross multiply
    761,850.48x = 1,051,347.84 × 417,682.32
  4. Step 4: Simplify right side
    761,850.48x = 439,129,404,938.19
  5. Step 5: Solve for x
    x = 439,129,404,938.19/761,850.48
  6. Step 6: Final answer
    x = 576,398.41

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Double scale
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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.