Home / 761,111.49-1,050,335.13-416,939.92

Finding the Fourth Proportional to 761,111.49, 1,050,335.13 and 416,939.92

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Solution

The fourth proportional to 761,111.49, 1,050,335.13 and 416,939.92 is: 575,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,111.49 : 1,050,335.13 = 416,939.92 : x
  2. Step 2: Convert to fraction form
    761,111.49/1,050,335.13 = 416,939.92/x
  3. Step 3: Cross multiply
    761,111.49x = 1,050,335.13 × 416,939.92
  4. Step 4: Simplify right side
    761,111.49x = 437,926,645,075.39
  5. Step 5: Solve for x
    x = 437,926,645,075.39/761,111.49
  6. Step 6: Final answer
    x = 575,377.79

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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.