Home / 988,547.71-1,482,936.77-357,758.59

Finding the Fourth Proportional to 988,547.71, 1,482,936.77 and 357,758.59

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Solution

The fourth proportional to 988,547.71, 1,482,936.77 and 357,758.59 is: 536,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,547.71 : 1,482,936.77 = 357,758.59 : x
  2. Step 2: Convert to fraction form
    988,547.71/1,482,936.77 = 357,758.59/x
  3. Step 3: Cross multiply
    988,547.71x = 1,482,936.77 × 357,758.59
  4. Step 4: Simplify right side
    988,547.71x = 530,533,367,894.35
  5. Step 5: Solve for x
    x = 530,533,367,894.35/988,547.71
  6. Step 6: Final answer
    x = 536,679.58

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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.