Home / 939,012.38-1,295,866.41-531,106.24

Finding the Fourth Proportional to 939,012.38, 1,295,866.41 and 531,106.24

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Solution

The fourth proportional to 939,012.38, 1,295,866.41 and 531,106.24 is: 732,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,012.38 : 1,295,866.41 = 531,106.24 : x
  2. Step 2: Convert to fraction form
    939,012.38/1,295,866.41 = 531,106.24/x
  3. Step 3: Cross multiply
    939,012.38x = 1,295,866.41 × 531,106.24
  4. Step 4: Simplify right side
    939,012.38x = 688,242,736,557.40
  5. Step 5: Solve for x
    x = 688,242,736,557.40/939,012.38
  6. Step 6: Final answer
    x = 732,943.20

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Double scale
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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.