Home / 1,137,898.46-1,570,330.74-679,279.32

Finding the Fourth Proportional to 1,137,898.46, 1,570,330.74 and 679,279.32

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Solution

The fourth proportional to 1,137,898.46, 1,570,330.74 and 679,279.32 is: 937,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,898.46 : 1,570,330.74 = 679,279.32 : x
  2. Step 2: Convert to fraction form
    1,137,898.46/1,570,330.74 = 679,279.32/x
  3. Step 3: Cross multiply
    1,137,898.46x = 1,570,330.74 × 679,279.32
  4. Step 4: Simplify right side
    1,137,898.46x = 1,066,693,197,242.30
  5. Step 5: Solve for x
    x = 1,066,693,197,242.30/1,137,898.46
  6. Step 6: Final answer
    x = 937,423.89

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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.