Home / 938,295.81-1,294,816.73-556,095.69

Finding the Fourth Proportional to 938,295.81, 1,294,816.73 and 556,095.69

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Solution

The fourth proportional to 938,295.81, 1,294,816.73 and 556,095.69 is: 767,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,295.81 : 1,294,816.73 = 556,095.69 : x
  2. Step 2: Convert to fraction form
    938,295.81/1,294,816.73 = 556,095.69/x
  3. Step 3: Cross multiply
    938,295.81x = 1,294,816.73 × 556,095.69
  4. Step 4: Simplify right side
    938,295.81x = 720,042,000,112.42
  5. Step 5: Solve for x
    x = 720,042,000,112.42/938,295.81
  6. Step 6: Final answer
    x = 767,393.39

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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.