Home / 863,312.57-1,295,068.88-286,987.44

Finding the Fourth Proportional to 863,312.57, 1,295,068.88 and 286,987.44

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Solution

The fourth proportional to 863,312.57, 1,295,068.88 and 286,987.44 is: 430,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,312.57 : 1,295,068.88 = 286,987.44 : x
  2. Step 2: Convert to fraction form
    863,312.57/1,295,068.88 = 286,987.44/x
  3. Step 3: Cross multiply
    863,312.57x = 1,295,068.88 × 286,987.44
  4. Step 4: Simplify right side
    863,312.57x = 371,668,503,212.34
  5. Step 5: Solve for x
    x = 371,668,503,212.34/863,312.57
  6. Step 6: Final answer
    x = 430,514.41

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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.