Home / 1,314,706.16-1,971,860.96-416,031.20

Finding the Fourth Proportional to 1,314,706.16, 1,971,860.96 and 416,031.20

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Solution

The fourth proportional to 1,314,706.16, 1,971,860.96 and 416,031.20 is: 623,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,706.16 : 1,971,860.96 = 416,031.20 : x
  2. Step 2: Convert to fraction form
    1,314,706.16/1,971,860.96 = 416,031.20/x
  3. Step 3: Cross multiply
    1,314,706.16x = 1,971,860.96 × 416,031.20
  4. Step 4: Simplify right side
    1,314,706.16x = 820,355,681,421.95
  5. Step 5: Solve for x
    x = 820,355,681,421.95/1,314,706.16
  6. Step 6: Final answer
    x = 623,984.06

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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.