Home / 779,961.95-1,076,248.53-457,554.41

Finding the Fourth Proportional to 779,961.95, 1,076,248.53 and 457,554.41

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Solution

The fourth proportional to 779,961.95, 1,076,248.53 and 457,554.41 is: 631,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,961.95 : 1,076,248.53 = 457,554.41 : x
  2. Step 2: Convert to fraction form
    779,961.95/1,076,248.53 = 457,554.41/x
  3. Step 3: Cross multiply
    779,961.95x = 1,076,248.53 × 457,554.41
  4. Step 4: Simplify right side
    779,961.95x = 492,442,255,776.28
  5. Step 5: Solve for x
    x = 492,442,255,776.28/779,961.95
  6. Step 6: Final answer
    x = 631,367.03

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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.