Home / 698,905.10-1,049,341.80-433,184.60

Finding the Fourth Proportional to 698,905.10, 1,049,341.80 and 433,184.60

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Solution

The fourth proportional to 698,905.10, 1,049,341.80 and 433,184.60 is: 650,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,905.10 : 1,049,341.80 = 433,184.60 : x
  2. Step 2: Convert to fraction form
    698,905.10/1,049,341.80 = 433,184.60/x
  3. Step 3: Cross multiply
    698,905.10x = 1,049,341.80 × 433,184.60
  4. Step 4: Simplify right side
    698,905.10x = 454,558,707,896.28
  5. Step 5: Solve for x
    x = 454,558,707,896.28/698,905.10
  6. Step 6: Final answer
    x = 650,386.88

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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.