Home / 558,271.22-770,240.48-316,534.82

Finding the Fourth Proportional to 558,271.22, 770,240.48 and 316,534.82

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Solution

The fourth proportional to 558,271.22, 770,240.48 and 316,534.82 is: 436,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,271.22 : 770,240.48 = 316,534.82 : x
  2. Step 2: Convert to fraction form
    558,271.22/770,240.48 = 316,534.82/x
  3. Step 3: Cross multiply
    558,271.22x = 770,240.48 × 316,534.82
  4. Step 4: Simplify right side
    558,271.22x = 243,807,931,693.51
  5. Step 5: Solve for x
    x = 243,807,931,693.51/558,271.22
  6. Step 6: Final answer
    x = 436,719.51

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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.