Home / 979,368.66-1,351,178.58-616,815.06

Finding the Fourth Proportional to 979,368.66, 1,351,178.58 and 616,815.06

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Solution

The fourth proportional to 979,368.66, 1,351,178.58 and 616,815.06 is: 850,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,368.66 : 1,351,178.58 = 616,815.06 : x
  2. Step 2: Convert to fraction form
    979,368.66/1,351,178.58 = 616,815.06/x
  3. Step 3: Cross multiply
    979,368.66x = 1,351,178.58 × 616,815.06
  4. Step 4: Simplify right side
    979,368.66x = 833,427,296,893.42
  5. Step 5: Solve for x
    x = 833,427,296,893.42/979,368.66
  6. Step 6: Final answer
    x = 850,984.24

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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.