Home / 515,271.16-772,533.07-346,372.57

Finding the Fourth Proportional to 515,271.16, 772,533.07 and 346,372.57

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Solution

The fourth proportional to 515,271.16, 772,533.07 and 346,372.57 is: 519,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,271.16 : 772,533.07 = 346,372.57 : x
  2. Step 2: Convert to fraction form
    515,271.16/772,533.07 = 346,372.57/x
  3. Step 3: Cross multiply
    515,271.16x = 772,533.07 × 346,372.57
  4. Step 4: Simplify right side
    515,271.16x = 267,584,264,865.89
  5. Step 5: Solve for x
    x = 267,584,264,865.89/515,271.16
  6. Step 6: Final answer
    x = 519,307.67

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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.