Home / 636,541.02-878,403.30-350,058.60

Finding the Fourth Proportional to 636,541.02, 878,403.30 and 350,058.60

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Solution

The fourth proportional to 636,541.02, 878,403.30 and 350,058.60 is: 483,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,541.02 : 878,403.30 = 350,058.60 : x
  2. Step 2: Convert to fraction form
    636,541.02/878,403.30 = 350,058.60/x
  3. Step 3: Cross multiply
    636,541.02x = 878,403.30 × 350,058.60
  4. Step 4: Simplify right side
    636,541.02x = 307,492,629,433.38
  5. Step 5: Solve for x
    x = 307,492,629,433.38/636,541.02
  6. Step 6: Final answer
    x = 483,068.05

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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.