Home / 1,198,341.81-1,653,490.80-708,390.36

Finding the Fourth Proportional to 1,198,341.81, 1,653,490.80 and 708,390.36

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Solution

The fourth proportional to 1,198,341.81, 1,653,490.80 and 708,390.36 is: 977,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,341.81 : 1,653,490.80 = 708,390.36 : x
  2. Step 2: Convert to fraction form
    1,198,341.81/1,653,490.80 = 708,390.36/x
  3. Step 3: Cross multiply
    1,198,341.81x = 1,653,490.80 × 708,390.36
  4. Step 4: Simplify right side
    1,198,341.81x = 1,171,316,943,068.69
  5. Step 5: Solve for x
    x = 1,171,316,943,068.69/1,198,341.81
  6. Step 6: Final answer
    x = 977,448.11

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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.