Home / 1,095,345.80-1,643,205.50-488,354.36

Finding the Fourth Proportional to 1,095,345.80, 1,643,205.50 and 488,354.36

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Solution

The fourth proportional to 1,095,345.80, 1,643,205.50 and 488,354.36 is: 732,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,345.80 : 1,643,205.50 = 488,354.36 : x
  2. Step 2: Convert to fraction form
    1,095,345.80/1,643,205.50 = 488,354.36/x
  3. Step 3: Cross multiply
    1,095,345.80x = 1,643,205.50 × 488,354.36
  4. Step 4: Simplify right side
    1,095,345.80x = 802,466,570,300.98
  5. Step 5: Solve for x
    x = 802,466,570,300.98/1,095,345.80
  6. Step 6: Final answer
    x = 732,614.82

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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.