Home / 767,265.65-1,058,802.31-423,116.09

Finding the Fourth Proportional to 767,265.65, 1,058,802.31 and 423,116.09

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Solution

The fourth proportional to 767,265.65, 1,058,802.31 and 423,116.09 is: 583,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,265.65 : 1,058,802.31 = 423,116.09 : x
  2. Step 2: Convert to fraction form
    767,265.65/1,058,802.31 = 423,116.09/x
  3. Step 3: Cross multiply
    767,265.65x = 1,058,802.31 × 423,116.09
  4. Step 4: Simplify right side
    767,265.65x = 447,996,293,490.17
  5. Step 5: Solve for x
    x = 447,996,293,490.17/767,265.65
  6. Step 6: Final answer
    x = 583,886.81

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1.5x scale

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.