Home / 985,782.30-1,360,379.64-533,073.30

Finding the Fourth Proportional to 985,782.30, 1,360,379.64 and 533,073.30

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Solution

The fourth proportional to 985,782.30, 1,360,379.64 and 533,073.30 is: 735,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,782.30 : 1,360,379.64 = 533,073.30 : x
  2. Step 2: Convert to fraction form
    985,782.30/1,360,379.64 = 533,073.30/x
  3. Step 3: Cross multiply
    985,782.30x = 1,360,379.64 × 533,073.30
  4. Step 4: Simplify right side
    985,782.30x = 725,182,063,947.61
  5. Step 5: Solve for x
    x = 725,182,063,947.61/985,782.30
  6. Step 6: Final answer
    x = 735,641.19

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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.