Home / 1,265,869.76-1,898,790.05-507,904.16

Finding the Fourth Proportional to 1,265,869.76, 1,898,790.05 and 507,904.16

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Solution

The fourth proportional to 1,265,869.76, 1,898,790.05 and 507,904.16 is: 761,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,869.76 : 1,898,790.05 = 507,904.16 : x
  2. Step 2: Convert to fraction form
    1,265,869.76/1,898,790.05 = 507,904.16/x
  3. Step 3: Cross multiply
    1,265,869.76x = 1,898,790.05 × 507,904.16
  4. Step 4: Simplify right side
    1,265,869.76x = 964,403,357,137.42
  5. Step 5: Solve for x
    x = 964,403,357,137.42/1,265,869.76
  6. Step 6: Final answer
    x = 761,850.38

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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.