Home / 679,917.51-938,483.96-453,562.47

Finding the Fourth Proportional to 679,917.51, 938,483.96 and 453,562.47

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Solution

The fourth proportional to 679,917.51, 938,483.96 and 453,562.47 is: 626,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,917.51 : 938,483.96 = 453,562.47 : x
  2. Step 2: Convert to fraction form
    679,917.51/938,483.96 = 453,562.47/x
  3. Step 3: Cross multiply
    679,917.51x = 938,483.96 × 453,562.47
  4. Step 4: Simplify right side
    679,917.51x = 425,661,100,685.17
  5. Step 5: Solve for x
    x = 425,661,100,685.17/679,917.51
  6. Step 6: Final answer
    x = 626,048.15

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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.