Home / 877,058.98-1,211,502.99-705,622.78

Finding the Fourth Proportional to 877,058.98, 1,211,502.99 and 705,622.78

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Solution

The fourth proportional to 877,058.98, 1,211,502.99 and 705,622.78 is: 974,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,058.98 : 1,211,502.99 = 705,622.78 : x
  2. Step 2: Convert to fraction form
    877,058.98/1,211,502.99 = 705,622.78/x
  3. Step 3: Cross multiply
    877,058.98x = 1,211,502.99 × 705,622.78
  4. Step 4: Simplify right side
    877,058.98x = 854,864,107,782.11
  5. Step 5: Solve for x
    x = 854,864,107,782.11/877,058.98
  6. Step 6: Final answer
    x = 974,693.98

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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.