Home / 1,285,341.51-1,773,772.73-712,382.14

Finding the Fourth Proportional to 1,285,341.51, 1,773,772.73 and 712,382.14

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Solution

The fourth proportional to 1,285,341.51, 1,773,772.73 and 712,382.14 is: 983,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,341.51 : 1,773,772.73 = 712,382.14 : x
  2. Step 2: Convert to fraction form
    1,285,341.51/1,773,772.73 = 712,382.14/x
  3. Step 3: Cross multiply
    1,285,341.51x = 1,773,772.73 × 712,382.14
  4. Step 4: Simplify right side
    1,285,341.51x = 1,263,604,014,597.78
  5. Step 5: Solve for x
    x = 1,263,604,014,597.78/1,285,341.51
  6. Step 6: Final answer
    x = 983,088.15

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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.