Home / 771,862.56-1,065,170.32-470,056.56

Finding the Fourth Proportional to 771,862.56, 1,065,170.32 and 470,056.56

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Solution

The fourth proportional to 771,862.56, 1,065,170.32 and 470,056.56 is: 648,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,862.56 : 1,065,170.32 = 470,056.56 : x
  2. Step 2: Convert to fraction form
    771,862.56/1,065,170.32 = 470,056.56/x
  3. Step 3: Cross multiply
    771,862.56x = 1,065,170.32 × 470,056.56
  4. Step 4: Simplify right side
    771,862.56x = 500,690,296,433.30
  5. Step 5: Solve for x
    x = 500,690,296,433.30/771,862.56
  6. Step 6: Final answer
    x = 648,678.05

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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.