Home / 567,374.40-849,895.20-390,081.60

Finding the Fourth Proportional to 567,374.40, 849,895.20 and 390,081.60

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Solution

The fourth proportional to 567,374.40, 849,895.20 and 390,081.60 is: 584,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,374.40 : 849,895.20 = 390,081.60 : x
  2. Step 2: Convert to fraction form
    567,374.40/849,895.20 = 390,081.60/x
  3. Step 3: Cross multiply
    567,374.40x = 849,895.20 × 390,081.60
  4. Step 4: Simplify right side
    567,374.40x = 331,528,479,448.32
  5. Step 5: Solve for x
    x = 331,528,479,448.32/567,374.40
  6. Step 6: Final answer
    x = 584,320.48

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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.