Home / 1,054,842.49-1,455,689.63-571,407.62

Finding the Fourth Proportional to 1,054,842.49, 1,455,689.63 and 571,407.62

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Solution

The fourth proportional to 1,054,842.49, 1,455,689.63 and 571,407.62 is: 788,546.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,842.49 : 1,455,689.63 = 571,407.62 : x
  2. Step 2: Convert to fraction form
    1,054,842.49/1,455,689.63 = 571,407.62/x
  3. Step 3: Cross multiply
    1,054,842.49x = 1,455,689.63 × 571,407.62
  4. Step 4: Simplify right side
    1,054,842.49x = 831,792,152,004.72
  5. Step 5: Solve for x
    x = 831,792,152,004.72/1,054,842.49
  6. Step 6: Final answer
    x = 788,546.31

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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.