Home / 761,359.33-1,050,675.87-455,448.61

Finding the Fourth Proportional to 761,359.33, 1,050,675.87 and 455,448.61

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Solution

The fourth proportional to 761,359.33, 1,050,675.87 and 455,448.61 is: 628,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,359.33 : 1,050,675.87 = 455,448.61 : x
  2. Step 2: Convert to fraction form
    761,359.33/1,050,675.87 = 455,448.61/x
  3. Step 3: Cross multiply
    761,359.33x = 1,050,675.87 × 455,448.61
  4. Step 4: Simplify right side
    761,359.33x = 478,528,864,552.04
  5. Step 5: Solve for x
    x = 478,528,864,552.04/761,359.33
  6. Step 6: Final answer
    x = 628,519.08

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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.