Home / 1,291,153.50-1,937,041.29-404,689.50

Finding the Fourth Proportional to 1,291,153.50, 1,937,041.29 and 404,689.50

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Solution

The fourth proportional to 1,291,153.50, 1,937,041.29 and 404,689.50 is: 607,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,153.50 : 1,937,041.29 = 404,689.50 : x
  2. Step 2: Convert to fraction form
    1,291,153.50/1,937,041.29 = 404,689.50/x
  3. Step 3: Cross multiply
    1,291,153.50x = 1,937,041.29 × 404,689.50
  4. Step 4: Simplify right side
    1,291,153.50x = 783,900,271,129.46
  5. Step 5: Solve for x
    x = 783,900,271,129.46/1,291,153.50
  6. Step 6: Final answer
    x = 607,131.74

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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.