Home / 1,146,928.26-1,582,762.88-637,630.62

Finding the Fourth Proportional to 1,146,928.26, 1,582,762.88 and 637,630.62

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Solution

The fourth proportional to 1,146,928.26, 1,582,762.88 and 637,630.62 is: 879,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,928.26 : 1,582,762.88 = 637,630.62 : x
  2. Step 2: Convert to fraction form
    1,146,928.26/1,582,762.88 = 637,630.62/x
  3. Step 3: Cross multiply
    1,146,928.26x = 1,582,762.88 × 637,630.62
  4. Step 4: Simplify right side
    1,146,928.26x = 1,009,218,076,487.39
  5. Step 5: Solve for x
    x = 1,009,218,076,487.39/1,146,928.26
  6. Step 6: Final answer
    x = 879,931.30

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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.