Home / 661,349.48-992,430.32-525,610.58

Finding the Fourth Proportional to 661,349.48, 992,430.32 and 525,610.58

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Solution

The fourth proportional to 661,349.48, 992,430.32 and 525,610.58 is: 788,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,349.48 : 992,430.32 = 525,610.58 : x
  2. Step 2: Convert to fraction form
    661,349.48/992,430.32 = 525,610.58/x
  3. Step 3: Cross multiply
    661,349.48x = 992,430.32 × 525,610.58
  4. Step 4: Simplify right side
    661,349.48x = 521,631,868,514.58
  5. Step 5: Solve for x
    x = 521,631,868,514.58/661,349.48
  6. Step 6: Final answer
    x = 788,738.61

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1.5x scale

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.