Home / 1,678,976.98-2,316,996.02-953,864.47

Finding the Fourth Proportional to 1,678,976.98, 2,316,996.02 and 953,864.47

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Solution

The fourth proportional to 1,678,976.98, 2,316,996.02 and 953,864.47 is: 1,316,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,976.98 : 2,316,996.02 = 953,864.47 : x
  2. Step 2: Convert to fraction form
    1,678,976.98/2,316,996.02 = 953,864.47/x
  3. Step 3: Cross multiply
    1,678,976.98x = 2,316,996.02 × 953,864.47
  4. Step 4: Simplify right side
    1,678,976.98x = 2,210,100,185,890.32
  5. Step 5: Solve for x
    x = 2,210,100,185,890.32/1,678,976.98
  6. Step 6: Final answer
    x = 1,316,337.40

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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.