Home / 1,075,324.91-1,612,991.91-435,641.07

Finding the Fourth Proportional to 1,075,324.91, 1,612,991.91 and 435,641.07

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Solution

The fourth proportional to 1,075,324.91, 1,612,991.91 and 435,641.07 is: 653,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,324.91 : 1,612,991.91 = 435,641.07 : x
  2. Step 2: Convert to fraction form
    1,075,324.91/1,612,991.91 = 435,641.07/x
  3. Step 3: Cross multiply
    1,075,324.91x = 1,612,991.91 × 435,641.07
  4. Step 4: Simplify right side
    1,075,324.91x = 702,685,521,573.74
  5. Step 5: Solve for x
    x = 702,685,521,573.74/1,075,324.91
  6. Step 6: Final answer
    x = 653,463.45

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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.