Home / 877,862.52-1,315,521.54-371,724.84

Finding the Fourth Proportional to 877,862.52, 1,315,521.54 and 371,724.84

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Solution

The fourth proportional to 877,862.52, 1,315,521.54 and 371,724.84 is: 557,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,862.52 : 1,315,521.54 = 371,724.84 : x
  2. Step 2: Convert to fraction form
    877,862.52/1,315,521.54 = 371,724.84/x
  3. Step 3: Cross multiply
    877,862.52x = 1,315,521.54 × 371,724.84
  4. Step 4: Simplify right side
    877,862.52x = 489,012,033,973.05
  5. Step 5: Solve for x
    x = 489,012,033,973.05/877,862.52
  6. Step 6: Final answer
    x = 557,048.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.