Home / 860,038.20-1,186,782.51-506,363.20

Finding the Fourth Proportional to 860,038.20, 1,186,782.51 and 506,363.20

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Solution

The fourth proportional to 860,038.20, 1,186,782.51 and 506,363.20 is: 698,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,038.20 : 1,186,782.51 = 506,363.20 : x
  2. Step 2: Convert to fraction form
    860,038.20/1,186,782.51 = 506,363.20/x
  3. Step 3: Cross multiply
    860,038.20x = 1,186,782.51 × 506,363.20
  4. Step 4: Simplify right side
    860,038.20x = 600,942,989,467.63
  5. Step 5: Solve for x
    x = 600,942,989,467.63/860,038.20
  6. Step 6: Final answer
    x = 698,739.88

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Double scale
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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.