Home / 838,525.50-1,257,985.08-277,560

Finding the Fourth Proportional to 838,525.50, 1,257,985.08 and 277,560

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Solution

The fourth proportional to 838,525.50, 1,257,985.08 and 277,560 is: 416,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,525.50 : 1,257,985.08 = 277,560 : x
  2. Step 2: Convert to fraction form
    838,525.50/1,257,985.08 = 277,560/x
  3. Step 3: Cross multiply
    838,525.50x = 1,257,985.08 × 277,560
  4. Step 4: Simplify right side
    838,525.50x = 349,166,338,804.80
  5. Step 5: Solve for x
    x = 349,166,338,804.80/838,525.50
  6. Step 6: Final answer
    x = 416,405.15

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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.