Home / 860,039.20-1,186,783.89-506,364.20

Finding the Fourth Proportional to 860,039.20, 1,186,783.89 and 506,364.20

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Solution

The fourth proportional to 860,039.20, 1,186,783.89 and 506,364.20 is: 698,741.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,039.20 : 1,186,783.89 = 506,364.20 : x
  2. Step 2: Convert to fraction form
    860,039.20/1,186,783.89 = 506,364.20/x
  3. Step 3: Cross multiply
    860,039.20x = 1,186,783.89 × 506,364.20
  4. Step 4: Simplify right side
    860,039.20x = 600,944,875,032.74
  5. Step 5: Solve for x
    x = 600,944,875,032.74/860,039.20
  6. Step 6: Final answer
    x = 698,741.26

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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.