Home / 710,478.75-1,066,243.01-336,501.75

Finding the Fourth Proportional to 710,478.75, 1,066,243.01 and 336,501.75

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Solution

The fourth proportional to 710,478.75, 1,066,243.01 and 336,501.75 is: 505,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,478.75 : 1,066,243.01 = 336,501.75 : x
  2. Step 2: Convert to fraction form
    710,478.75/1,066,243.01 = 336,501.75/x
  3. Step 3: Cross multiply
    710,478.75x = 1,066,243.01 × 336,501.75
  4. Step 4: Simplify right side
    710,478.75x = 358,792,637,107.76
  5. Step 5: Solve for x
    x = 358,792,637,107.76/710,478.75
  6. Step 6: Final answer
    x = 505,001.22

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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.