Home / 1,430,955.90-1,974,623.67-786,362.22

Finding the Fourth Proportional to 1,430,955.90, 1,974,623.67 and 786,362.22

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Solution

The fourth proportional to 1,430,955.90, 1,974,623.67 and 786,362.22 is: 1,085,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,955.90 : 1,974,623.67 = 786,362.22 : x
  2. Step 2: Convert to fraction form
    1,430,955.90/1,974,623.67 = 786,362.22/x
  3. Step 3: Cross multiply
    1,430,955.90x = 1,974,623.67 × 786,362.22
  4. Step 4: Simplify right side
    1,430,955.90x = 1,552,769,452,805.75
  5. Step 5: Solve for x
    x = 1,552,769,452,805.75/1,430,955.90
  6. Step 6: Final answer
    x = 1,085,127.40

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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.