Home / 1,680,826.86-2,319,526.26-916,864.02

Finding the Fourth Proportional to 1,680,826.86, 2,319,526.26 and 916,864.02

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Solution

The fourth proportional to 1,680,826.86, 2,319,526.26 and 916,864.02 is: 1,265,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,826.86 : 2,319,526.26 = 916,864.02 : x
  2. Step 2: Convert to fraction form
    1,680,826.86/2,319,526.26 = 916,864.02/x
  3. Step 3: Cross multiply
    1,680,826.86x = 2,319,526.26 × 916,864.02
  4. Step 4: Simplify right side
    1,680,826.86x = 2,126,690,171,239.17
  5. Step 5: Solve for x
    x = 2,126,690,171,239.17/1,680,826.86
  6. Step 6: Final answer
    x = 1,265,264.27

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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.