Home / 1,234,688.52-1,703,790-690,730.32

Finding the Fourth Proportional to 1,234,688.52, 1,703,790 and 690,730.32

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Solution

The fourth proportional to 1,234,688.52, 1,703,790 and 690,730.32 is: 953,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,688.52 : 1,703,790 = 690,730.32 : x
  2. Step 2: Convert to fraction form
    1,234,688.52/1,703,790 = 690,730.32/x
  3. Step 3: Cross multiply
    1,234,688.52x = 1,703,790 × 690,730.32
  4. Step 4: Simplify right side
    1,234,688.52x = 1,176,859,411,912.80
  5. Step 5: Solve for x
    x = 1,176,859,411,912.80/1,234,688.52
  6. Step 6: Final answer
    x = 953,163.00

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1.5x scale

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.