Home / 878,653.17-1,316,475.11-479,574

Finding the Fourth Proportional to 878,653.17, 1,316,475.11 and 479,574

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Solution

The fourth proportional to 878,653.17, 1,316,475.11 and 479,574 is: 718,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,653.17 : 1,316,475.11 = 479,574 : x
  2. Step 2: Convert to fraction form
    878,653.17/1,316,475.11 = 479,574/x
  3. Step 3: Cross multiply
    878,653.17x = 1,316,475.11 × 479,574
  4. Step 4: Simplify right side
    878,653.17x = 631,347,235,602.08
  5. Step 5: Solve for x
    x = 631,347,235,602.08/878,653.17
  6. Step 6: Final answer
    x = 718,539.76

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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.