Home / 911,925.18-1,258,457.94-524,732.88

Finding the Fourth Proportional to 911,925.18, 1,258,457.94 and 524,732.88

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Solution

The fourth proportional to 911,925.18, 1,258,457.94 and 524,732.88 is: 724,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,925.18 : 1,258,457.94 = 524,732.88 : x
  2. Step 2: Convert to fraction form
    911,925.18/1,258,457.94 = 524,732.88/x
  3. Step 3: Cross multiply
    911,925.18x = 1,258,457.94 × 524,732.88
  4. Step 4: Simplify right side
    911,925.18x = 660,354,259,215.07
  5. Step 5: Solve for x
    x = 660,354,259,215.07/911,925.18
  6. Step 6: Final answer
    x = 724,132.06

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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.