Home / 1,317,075.72-1,975,953.57-406,237.71

Finding the Fourth Proportional to 1,317,075.72, 1,975,953.57 and 406,237.71

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Solution

The fourth proportional to 1,317,075.72, 1,975,953.57 and 406,237.71 is: 609,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,075.72 : 1,975,953.57 = 406,237.71 : x
  2. Step 2: Convert to fraction form
    1,317,075.72/1,975,953.57 = 406,237.71/x
  3. Step 3: Cross multiply
    1,317,075.72x = 1,975,953.57 × 406,237.71
  4. Step 4: Simplify right side
    1,317,075.72x = 802,706,853,343.13
  5. Step 5: Solve for x
    x = 802,706,853,343.13/1,317,075.72
  6. Step 6: Final answer
    x = 609,461.43

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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.