Home / 470,056.16-648,674.02-255,190.70

Finding the Fourth Proportional to 470,056.16, 648,674.02 and 255,190.70

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Solution

The fourth proportional to 470,056.16, 648,674.02 and 255,190.70 is: 352,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,056.16 : 648,674.02 = 255,190.70 : x
  2. Step 2: Convert to fraction form
    470,056.16/648,674.02 = 255,190.70/x
  3. Step 3: Cross multiply
    470,056.16x = 648,674.02 × 255,190.70
  4. Step 4: Simplify right side
    470,056.16x = 165,535,579,176.29
  5. Step 5: Solve for x
    x = 165,535,579,176.29/470,056.16
  6. Step 6: Final answer
    x = 352,161.28

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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.