Home / 1,091,332.70-1,636,999.05-1,049,342.30

Finding the Fourth Proportional to 1,091,332.70, 1,636,999.05 and 1,049,342.30

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Solution

The fourth proportional to 1,091,332.70, 1,636,999.05 and 1,049,342.30 is: 1,574,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,332.70 : 1,636,999.05 = 1,049,342.30 : x
  2. Step 2: Convert to fraction form
    1,091,332.70/1,636,999.05 = 1,049,342.30/x
  3. Step 3: Cross multiply
    1,091,332.70x = 1,636,999.05 × 1,049,342.30
  4. Step 4: Simplify right side
    1,091,332.70x = 1,717,772,348,224.82
  5. Step 5: Solve for x
    x = 1,717,772,348,224.82/1,091,332.70
  6. Step 6: Final answer
    x = 1,574,013.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.