Home / 838,772.85-1,256,915.12-616,068.21

Finding the Fourth Proportional to 838,772.85, 1,256,915.12 and 616,068.21

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Solution

The fourth proportional to 838,772.85, 1,256,915.12 and 616,068.21 is: 923,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,772.85 : 1,256,915.12 = 616,068.21 : x
  2. Step 2: Convert to fraction form
    838,772.85/1,256,915.12 = 616,068.21/x
  3. Step 3: Cross multiply
    838,772.85x = 1,256,915.12 × 616,068.21
  4. Step 4: Simplify right side
    838,772.85x = 774,345,445,019.99
  5. Step 5: Solve for x
    x = 774,345,445,019.99/838,772.85
  6. Step 6: Final answer
    x = 923,188.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.