Home / 761,813.03-1,051,279.21-417,637.19

Finding the Fourth Proportional to 761,813.03, 1,051,279.21 and 417,637.19

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Solution

The fourth proportional to 761,813.03, 1,051,279.21 and 417,637.19 is: 576,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,813.03 : 1,051,279.21 = 417,637.19 : x
  2. Step 2: Convert to fraction form
    761,813.03/1,051,279.21 = 417,637.19/x
  3. Step 3: Cross multiply
    761,813.03x = 1,051,279.21 × 417,637.19
  4. Step 4: Simplify right side
    761,813.03x = 439,053,295,169.82
  5. Step 5: Solve for x
    x = 439,053,295,169.82/761,813.03
  6. Step 6: Final answer
    x = 576,326.84

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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.