Home / 874,940.40-1,207,417.50-472,532.40

Finding the Fourth Proportional to 874,940.40, 1,207,417.50 and 472,532.40

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Solution

The fourth proportional to 874,940.40, 1,207,417.50 and 472,532.40 is: 652,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,940.40 : 1,207,417.50 = 472,532.40 : x
  2. Step 2: Convert to fraction form
    874,940.40/1,207,417.50 = 472,532.40/x
  3. Step 3: Cross multiply
    874,940.40x = 1,207,417.50 × 472,532.40
  4. Step 4: Simplify right side
    874,940.40x = 570,543,889,077
  5. Step 5: Solve for x
    x = 570,543,889,077/874,940.40
  6. Step 6: Final answer
    x = 652,094.58

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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.