Home / 530,413.83-731,986.88-326,582.33

Finding the Fourth Proportional to 530,413.83, 731,986.88 and 326,582.33

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Solution

The fourth proportional to 530,413.83, 731,986.88 and 326,582.33 is: 450,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,413.83 : 731,986.88 = 326,582.33 : x
  2. Step 2: Convert to fraction form
    530,413.83/731,986.88 = 326,582.33/x
  3. Step 3: Cross multiply
    530,413.83x = 731,986.88 × 326,582.33
  4. Step 4: Simplify right side
    530,413.83x = 239,053,975,506.98
  5. Step 5: Solve for x
    x = 239,053,975,506.98/530,413.83
  6. Step 6: Final answer
    x = 450,693.33

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Double scale
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1.5x scale

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.