Home / 835,915.64-1,153,916.70-564,351.36

Finding the Fourth Proportional to 835,915.64, 1,153,916.70 and 564,351.36

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Solution

The fourth proportional to 835,915.64, 1,153,916.70 and 564,351.36 is: 779,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,915.64 : 1,153,916.70 = 564,351.36 : x
  2. Step 2: Convert to fraction form
    835,915.64/1,153,916.70 = 564,351.36/x
  3. Step 3: Cross multiply
    835,915.64x = 1,153,916.70 × 564,351.36
  4. Step 4: Simplify right side
    835,915.64x = 651,214,458,971.71
  5. Step 5: Solve for x
    x = 651,214,458,971.71/835,915.64
  6. Step 6: Final answer
    x = 779,043.28

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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.