Home / 879,501.40-1,319,252.10-830,512.60

Finding the Fourth Proportional to 879,501.40, 1,319,252.10 and 830,512.60

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Solution

The fourth proportional to 879,501.40, 1,319,252.10 and 830,512.60 is: 1,245,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,501.40 : 1,319,252.10 = 830,512.60 : x
  2. Step 2: Convert to fraction form
    879,501.40/1,319,252.10 = 830,512.60/x
  3. Step 3: Cross multiply
    879,501.40x = 1,319,252.10 × 830,512.60
  4. Step 4: Simplify right side
    879,501.40x = 1,095,655,491,626.46
  5. Step 5: Solve for x
    x = 1,095,655,491,626.46/879,501.40
  6. Step 6: Final answer
    x = 1,245,768.90

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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.