Home / 767,018.84-1,058,522.16-427,489.52

Finding the Fourth Proportional to 767,018.84, 1,058,522.16 and 427,489.52

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Solution

The fourth proportional to 767,018.84, 1,058,522.16 and 427,489.52 is: 589,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,018.84 : 1,058,522.16 = 427,489.52 : x
  2. Step 2: Convert to fraction form
    767,018.84/1,058,522.16 = 427,489.52/x
  3. Step 3: Cross multiply
    767,018.84x = 1,058,522.16 × 427,489.52
  4. Step 4: Simplify right side
    767,018.84x = 452,507,130,087.76
  5. Step 5: Solve for x
    x = 452,507,130,087.76/767,018.84
  6. Step 6: Final answer
    x = 589,955.69

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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.