Home / 983,187.12-1,356,823.32-553,482.33

Finding the Fourth Proportional to 983,187.12, 1,356,823.32 and 553,482.33

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Solution

The fourth proportional to 983,187.12, 1,356,823.32 and 553,482.33 is: 763,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,187.12 : 1,356,823.32 = 553,482.33 : x
  2. Step 2: Convert to fraction form
    983,187.12/1,356,823.32 = 553,482.33/x
  3. Step 3: Cross multiply
    983,187.12x = 1,356,823.32 × 553,482.33
  4. Step 4: Simplify right side
    983,187.12x = 750,977,732,551.94
  5. Step 5: Solve for x
    x = 750,977,732,551.94/983,187.12
  6. Step 6: Final answer
    x = 763,819.74

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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.