Home / 592,420.48-817,536.88-320,487.60

Finding the Fourth Proportional to 592,420.48, 817,536.88 and 320,487.60

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Solution

The fourth proportional to 592,420.48, 817,536.88 and 320,487.60 is: 442,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,420.48 : 817,536.88 = 320,487.60 : x
  2. Step 2: Convert to fraction form
    592,420.48/817,536.88 = 320,487.60/x
  3. Step 3: Cross multiply
    592,420.48x = 817,536.88 × 320,487.60
  4. Step 4: Simplify right side
    592,420.48x = 262,010,432,582.69
  5. Step 5: Solve for x
    x = 262,010,432,582.69/592,420.48
  6. Step 6: Final answer
    x = 442,271.06

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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.