Home / 530,719.10-732,373.02-288,996.37

Finding the Fourth Proportional to 530,719.10, 732,373.02 and 288,996.37

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Solution

The fourth proportional to 530,719.10, 732,373.02 and 288,996.37 is: 398,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,719.10 : 732,373.02 = 288,996.37 : x
  2. Step 2: Convert to fraction form
    530,719.10/732,373.02 = 288,996.37/x
  3. Step 3: Cross multiply
    530,719.10x = 732,373.02 × 288,996.37
  4. Step 4: Simplify right side
    530,719.10x = 211,653,139,159.09
  5. Step 5: Solve for x
    x = 211,653,139,159.09/530,719.10
  6. Step 6: Final answer
    x = 398,804.45

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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.