Home / 939,335.47-1,296,347.15-531,437.22

Finding the Fourth Proportional to 939,335.47, 1,296,347.15 and 531,437.22

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Solution

The fourth proportional to 939,335.47, 1,296,347.15 and 531,437.22 is: 733,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,335.47 : 1,296,347.15 = 531,437.22 : x
  2. Step 2: Convert to fraction form
    939,335.47/1,296,347.15 = 531,437.22/x
  3. Step 3: Cross multiply
    939,335.47x = 1,296,347.15 × 531,437.22
  4. Step 4: Simplify right side
    939,335.47x = 688,927,126,879.52
  5. Step 5: Solve for x
    x = 688,927,126,879.52/939,335.47
  6. Step 6: Final answer
    x = 733,419.69

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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.