Home / 857,890.02-1,183,884.62-475,916.80

Finding the Fourth Proportional to 857,890.02, 1,183,884.62 and 475,916.80

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Solution

The fourth proportional to 857,890.02, 1,183,884.62 and 475,916.80 is: 656,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,890.02 : 1,183,884.62 = 475,916.80 : x
  2. Step 2: Convert to fraction form
    857,890.02/1,183,884.62 = 475,916.80/x
  3. Step 3: Cross multiply
    857,890.02x = 1,183,884.62 × 475,916.80
  4. Step 4: Simplify right side
    857,890.02x = 563,430,579,919.62
  5. Step 5: Solve for x
    x = 563,430,579,919.62/857,890.02
  6. Step 6: Final answer
    x = 656,763.18

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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.