Home / 973,142.48-1,342,934-543,419.12

Finding the Fourth Proportional to 973,142.48, 1,342,934 and 543,419.12

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Solution

The fourth proportional to 973,142.48, 1,342,934 and 543,419.12 is: 749,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,142.48 : 1,342,934 = 543,419.12 : x
  2. Step 2: Convert to fraction form
    973,142.48/1,342,934 = 543,419.12/x
  3. Step 3: Cross multiply
    973,142.48x = 1,342,934 × 543,419.12
  4. Step 4: Simplify right side
    973,142.48x = 729,776,012,498.08
  5. Step 5: Solve for x
    x = 729,776,012,498.08/973,142.48
  6. Step 6: Final answer
    x = 749,916.92

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Double scale
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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.