Home / 1,992,045.89-2,988,095.47-625,775.05

Finding the Fourth Proportional to 1,992,045.89, 2,988,095.47 and 625,775.05

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Solution

The fourth proportional to 1,992,045.89, 2,988,095.47 and 625,775.05 is: 938,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,045.89 : 2,988,095.47 = 625,775.05 : x
  2. Step 2: Convert to fraction form
    1,992,045.89/2,988,095.47 = 625,775.05/x
  3. Step 3: Cross multiply
    1,992,045.89x = 2,988,095.47 × 625,775.05
  4. Step 4: Simplify right side
    1,992,045.89x = 1,869,875,594,314.71
  5. Step 5: Solve for x
    x = 1,869,875,594,314.71/1,992,045.89
  6. Step 6: Final answer
    x = 938,670.94

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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.