Home / 1,289,573.32-1,779,529.50-716,579.32

Finding the Fourth Proportional to 1,289,573.32, 1,779,529.50 and 716,579.32

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Solution

The fourth proportional to 1,289,573.32, 1,779,529.50 and 716,579.32 is: 988,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,573.32 : 1,779,529.50 = 716,579.32 : x
  2. Step 2: Convert to fraction form
    1,289,573.32/1,779,529.50 = 716,579.32/x
  3. Step 3: Cross multiply
    1,289,573.32x = 1,779,529.50 × 716,579.32
  4. Step 4: Simplify right side
    1,289,573.32x = 1,275,174,039,029.94
  5. Step 5: Solve for x
    x = 1,275,174,039,029.94/1,289,573.32
  6. Step 6: Final answer
    x = 988,834.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.