Home / 1,680,613.90-2,319,443.26-955,570.26

Finding the Fourth Proportional to 1,680,613.90, 2,319,443.26 and 955,570.26

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Solution

The fourth proportional to 1,680,613.90, 2,319,443.26 and 955,570.26 is: 1,318,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,613.90 : 2,319,443.26 = 955,570.26 : x
  2. Step 2: Convert to fraction form
    1,680,613.90/2,319,443.26 = 955,570.26/x
  3. Step 3: Cross multiply
    1,680,613.90x = 2,319,443.26 × 955,570.26
  4. Step 4: Simplify right side
    1,680,613.90x = 2,216,390,999,013.45
  5. Step 5: Solve for x
    x = 2,216,390,999,013.45/1,680,613.90
  6. Step 6: Final answer
    x = 1,318,798.45

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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.