Home / 1,315,974.90-1,974,032.46-417,488.46

Finding the Fourth Proportional to 1,315,974.90, 1,974,032.46 and 417,488.46

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Solution

The fourth proportional to 1,315,974.90, 1,974,032.46 and 417,488.46 is: 626,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,974.90 : 1,974,032.46 = 417,488.46 : x
  2. Step 2: Convert to fraction form
    1,315,974.90/1,974,032.46 = 417,488.46/x
  3. Step 3: Cross multiply
    1,315,974.90x = 1,974,032.46 × 417,488.46
  4. Step 4: Simplify right side
    1,315,974.90x = 824,135,771,715.41
  5. Step 5: Solve for x
    x = 824,135,771,715.41/1,315,974.90
  6. Step 6: Final answer
    x = 626,254.93

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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.