Home / 873,812.56-1,205,784.42-486,598.72

Finding the Fourth Proportional to 873,812.56, 1,205,784.42 and 486,598.72

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Solution

The fourth proportional to 873,812.56, 1,205,784.42 and 486,598.72 is: 671,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,812.56 : 1,205,784.42 = 486,598.72 : x
  2. Step 2: Convert to fraction form
    873,812.56/1,205,784.42 = 486,598.72/x
  3. Step 3: Cross multiply
    873,812.56x = 1,205,784.42 × 486,598.72
  4. Step 4: Simplify right side
    873,812.56x = 586,733,155,367.94
  5. Step 5: Solve for x
    x = 586,733,155,367.94/873,812.56
  6. Step 6: Final answer
    x = 671,463.40

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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.