Home / 756,828.36-1,044,448.02-434,595.78

Finding the Fourth Proportional to 756,828.36, 1,044,448.02 and 434,595.78

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Solution

The fourth proportional to 756,828.36, 1,044,448.02 and 434,595.78 is: 599,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,828.36 : 1,044,448.02 = 434,595.78 : x
  2. Step 2: Convert to fraction form
    756,828.36/1,044,448.02 = 434,595.78/x
  3. Step 3: Cross multiply
    756,828.36x = 1,044,448.02 × 434,595.78
  4. Step 4: Simplify right side
    756,828.36x = 453,912,701,921.36
  5. Step 5: Solve for x
    x = 453,912,701,921.36/756,828.36
  6. Step 6: Final answer
    x = 599,756.47

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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.