Home / 742,603.50-1,024,811.19-403,070.94

Finding the Fourth Proportional to 742,603.50, 1,024,811.19 and 403,070.94

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Solution

The fourth proportional to 742,603.50, 1,024,811.19 and 403,070.94 is: 556,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,603.50 : 1,024,811.19 = 403,070.94 : x
  2. Step 2: Convert to fraction form
    742,603.50/1,024,811.19 = 403,070.94/x
  3. Step 3: Cross multiply
    742,603.50x = 1,024,811.19 × 403,070.94
  4. Step 4: Simplify right side
    742,603.50x = 413,071,609,675.82
  5. Step 5: Solve for x
    x = 413,071,609,675.82/742,603.50
  6. Step 6: Final answer
    x = 556,247.86

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1.5x scale

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.