Home / 838,280.02-1,156,779.51-456,284.02

Finding the Fourth Proportional to 838,280.02, 1,156,779.51 and 456,284.02

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Solution

The fourth proportional to 838,280.02, 1,156,779.51 and 456,284.02 is: 629,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,280.02 : 1,156,779.51 = 456,284.02 : x
  2. Step 2: Convert to fraction form
    838,280.02/1,156,779.51 = 456,284.02/x
  3. Step 3: Cross multiply
    838,280.02x = 1,156,779.51 × 456,284.02
  4. Step 4: Simplify right side
    838,280.02x = 527,820,005,076.43
  5. Step 5: Solve for x
    x = 527,820,005,076.43/838,280.02
  6. Step 6: Final answer
    x = 629,646.41

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1.5x scale

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.