Home / 762,302.16-1,141,928.52-458,528.58

Finding the Fourth Proportional to 762,302.16, 1,141,928.52 and 458,528.58

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Solution

The fourth proportional to 762,302.16, 1,141,928.52 and 458,528.58 is: 686,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,302.16 : 1,141,928.52 = 458,528.58 : x
  2. Step 2: Convert to fraction form
    762,302.16/1,141,928.52 = 458,528.58/x
  3. Step 3: Cross multiply
    762,302.16x = 1,141,928.52 × 458,528.58
  4. Step 4: Simplify right side
    762,302.16x = 523,606,862,737.10
  5. Step 5: Solve for x
    x = 523,606,862,737.10/762,302.16
  6. Step 6: Final answer
    x = 686,875.74

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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.