Home / 528,546.48-729,394.59-286,829.04

Finding the Fourth Proportional to 528,546.48, 729,394.59 and 286,829.04

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Solution

The fourth proportional to 528,546.48, 729,394.59 and 286,829.04 is: 395,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,546.48 : 729,394.59 = 286,829.04 : x
  2. Step 2: Convert to fraction form
    528,546.48/729,394.59 = 286,829.04/x
  3. Step 3: Cross multiply
    528,546.48x = 729,394.59 × 286,829.04
  4. Step 4: Simplify right side
    528,546.48x = 209,211,550,030.89
  5. Step 5: Solve for x
    x = 209,211,550,030.89/528,546.48
  6. Step 6: Final answer
    x = 395,824.32

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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.