Home / 1,316,904.48-1,975,342.32-319,632.48

Finding the Fourth Proportional to 1,316,904.48, 1,975,342.32 and 319,632.48

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Solution

The fourth proportional to 1,316,904.48, 1,975,342.32 and 319,632.48 is: 479,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,904.48 : 1,975,342.32 = 319,632.48 : x
  2. Step 2: Convert to fraction form
    1,316,904.48/1,975,342.32 = 319,632.48/x
  3. Step 3: Cross multiply
    1,316,904.48x = 1,975,342.32 × 319,632.48
  4. Step 4: Simplify right side
    1,316,904.48x = 631,383,564,590.55
  5. Step 5: Solve for x
    x = 631,383,564,590.55/1,316,904.48
  6. Step 6: Final answer
    x = 479,445.22

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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.