Home / 848,325.90-1,272,051.45-315,572.70

Finding the Fourth Proportional to 848,325.90, 1,272,051.45 and 315,572.70

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Solution

The fourth proportional to 848,325.90, 1,272,051.45 and 315,572.70 is: 473,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,325.90 : 1,272,051.45 = 315,572.70 : x
  2. Step 2: Convert to fraction form
    848,325.90/1,272,051.45 = 315,572.70/x
  3. Step 3: Cross multiply
    848,325.90x = 1,272,051.45 × 315,572.70
  4. Step 4: Simplify right side
    848,325.90x = 401,424,710,615.42
  5. Step 5: Solve for x
    x = 401,424,710,615.42/848,325.90
  6. Step 6: Final answer
    x = 473,196.34

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Double scale
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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.