Home / 417,088.08-625,681.34-312,571.35

Finding the Fourth Proportional to 417,088.08, 625,681.34 and 312,571.35

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Solution

The fourth proportional to 417,088.08, 625,681.34 and 312,571.35 is: 468,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,088.08 : 625,681.34 = 312,571.35 : x
  2. Step 2: Convert to fraction form
    417,088.08/625,681.34 = 312,571.35/x
  3. Step 3: Cross multiply
    417,088.08x = 625,681.34 × 312,571.35
  4. Step 4: Simplify right side
    417,088.08x = 195,570,061,113.61
  5. Step 5: Solve for x
    x = 195,570,061,113.61/417,088.08
  6. Step 6: Final answer
    x = 468,893.91

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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.