Home / 761,800.89-1,051,262.44-417,625.05

Finding the Fourth Proportional to 761,800.89, 1,051,262.44 and 417,625.05

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Solution

The fourth proportional to 761,800.89, 1,051,262.44 and 417,625.05 is: 576,310.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,800.89 : 1,051,262.44 = 417,625.05 : x
  2. Step 2: Convert to fraction form
    761,800.89/1,051,262.44 = 417,625.05/x
  3. Step 3: Cross multiply
    761,800.89x = 1,051,262.44 × 417,625.05
  4. Step 4: Simplify right side
    761,800.89x = 439,033,529,068.12
  5. Step 5: Solve for x
    x = 439,033,529,068.12/761,800.89
  6. Step 6: Final answer
    x = 576,310.08

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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.