Home / 877,178.40-1,315,806.48-246,078.24

Finding the Fourth Proportional to 877,178.40, 1,315,806.48 and 246,078.24

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Solution

The fourth proportional to 877,178.40, 1,315,806.48 and 246,078.24 is: 369,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,178.40 : 1,315,806.48 = 246,078.24 : x
  2. Step 2: Convert to fraction form
    877,178.40/1,315,806.48 = 246,078.24/x
  3. Step 3: Cross multiply
    877,178.40x = 1,315,806.48 × 246,078.24
  4. Step 4: Simplify right side
    877,178.40x = 323,791,342,779.00
  5. Step 5: Solve for x
    x = 323,791,342,779.00/877,178.40
  6. Step 6: Final answer
    x = 369,128.27

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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.