Home / 651,272.28-898,307.01-458,089.71

Finding the Fourth Proportional to 651,272.28, 898,307.01 and 458,089.71

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Solution

The fourth proportional to 651,272.28, 898,307.01 and 458,089.71 is: 631,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,272.28 : 898,307.01 = 458,089.71 : x
  2. Step 2: Convert to fraction form
    651,272.28/898,307.01 = 458,089.71/x
  3. Step 3: Cross multiply
    651,272.28x = 898,307.01 × 458,089.71
  4. Step 4: Simplify right side
    651,272.28x = 411,505,197,701.87
  5. Step 5: Solve for x
    x = 411,505,197,701.87/651,272.28
  6. Step 6: Final answer
    x = 631,848.17

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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.