Home / 761,271.48-1,050,592.14-421,741.08

Finding the Fourth Proportional to 761,271.48, 1,050,592.14 and 421,741.08

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Solution

The fourth proportional to 761,271.48, 1,050,592.14 and 421,741.08 is: 582,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,271.48 : 1,050,592.14 = 421,741.08 : x
  2. Step 2: Convert to fraction form
    761,271.48/1,050,592.14 = 421,741.08/x
  3. Step 3: Cross multiply
    761,271.48x = 1,050,592.14 × 421,741.08
  4. Step 4: Simplify right side
    761,271.48x = 443,077,863,763.11
  5. Step 5: Solve for x
    x = 443,077,863,763.11/761,271.48
  6. Step 6: Final answer
    x = 582,023.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.