Home / 808,152.66-1,115,317.08-445,647.60

Finding the Fourth Proportional to 808,152.66, 1,115,317.08 and 445,647.60

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Solution

The fourth proportional to 808,152.66, 1,115,317.08 and 445,647.60 is: 615,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,152.66 : 1,115,317.08 = 445,647.60 : x
  2. Step 2: Convert to fraction form
    808,152.66/1,115,317.08 = 445,647.60/x
  3. Step 3: Cross multiply
    808,152.66x = 1,115,317.08 × 445,647.60
  4. Step 4: Simplify right side
    808,152.66x = 497,038,379,941.01
  5. Step 5: Solve for x
    x = 497,038,379,941.01/808,152.66
  6. Step 6: Final answer
    x = 615,030.31

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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.