Home / 1,152,453.16-1,590,410.78-636,205.88

Finding the Fourth Proportional to 1,152,453.16, 1,590,410.78 and 636,205.88

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Solution

The fourth proportional to 1,152,453.16, 1,590,410.78 and 636,205.88 is: 877,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,453.16 : 1,590,410.78 = 636,205.88 : x
  2. Step 2: Convert to fraction form
    1,152,453.16/1,590,410.78 = 636,205.88/x
  3. Step 3: Cross multiply
    1,152,453.16x = 1,590,410.78 × 636,205.88
  4. Step 4: Simplify right side
    1,152,453.16x = 1,011,828,689,851.39
  5. Step 5: Solve for x
    x = 1,011,828,689,851.39/1,152,453.16
  6. Step 6: Final answer
    x = 877,978.15

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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.