Home / 1,191,981.45-1,789,095.90-434,555.01

Finding the Fourth Proportional to 1,191,981.45, 1,789,095.90 and 434,555.01

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Solution

The fourth proportional to 1,191,981.45, 1,789,095.90 and 434,555.01 is: 652,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,981.45 : 1,789,095.90 = 434,555.01 : x
  2. Step 2: Convert to fraction form
    1,191,981.45/1,789,095.90 = 434,555.01/x
  3. Step 3: Cross multiply
    1,191,981.45x = 1,789,095.90 × 434,555.01
  4. Step 4: Simplify right side
    1,191,981.45x = 777,460,586,715.46
  5. Step 5: Solve for x
    x = 777,460,586,715.46/1,191,981.45
  6. Step 6: Final answer
    x = 652,242.19

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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.