Home / 860,034.15-1,186,743.99-472,785.72

Finding the Fourth Proportional to 860,034.15, 1,186,743.99 and 472,785.72

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Solution

The fourth proportional to 860,034.15, 1,186,743.99 and 472,785.72 is: 652,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,034.15 : 1,186,743.99 = 472,785.72 : x
  2. Step 2: Convert to fraction form
    860,034.15/1,186,743.99 = 472,785.72/x
  3. Step 3: Cross multiply
    860,034.15x = 1,186,743.99 × 472,785.72
  4. Step 4: Simplify right side
    860,034.15x = 561,075,611,767.82
  5. Step 5: Solve for x
    x = 561,075,611,767.82/860,034.15
  6. Step 6: Final answer
    x = 652,387.60

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1.5x scale

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.