Home / 766,312.55-1,057,511.65-444,209.47

Finding the Fourth Proportional to 766,312.55, 1,057,511.65 and 444,209.47

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Solution

The fourth proportional to 766,312.55, 1,057,511.65 and 444,209.47 is: 613,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,312.55 : 1,057,511.65 = 444,209.47 : x
  2. Step 2: Convert to fraction form
    766,312.55/1,057,511.65 = 444,209.47/x
  3. Step 3: Cross multiply
    766,312.55x = 1,057,511.65 × 444,209.47
  4. Step 4: Simplify right side
    766,312.55x = 469,756,686,643.92
  5. Step 5: Solve for x
    x = 469,756,686,643.92/766,312.55
  6. Step 6: Final answer
    x = 613,009.26

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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.