Home / 985,780.13-1,360,376.64-533,071.13

Finding the Fourth Proportional to 985,780.13, 1,360,376.64 and 533,071.13

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Solution

The fourth proportional to 985,780.13, 1,360,376.64 and 533,071.13 is: 735,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,780.13 : 1,360,376.64 = 533,071.13 : x
  2. Step 2: Convert to fraction form
    985,780.13/1,360,376.64 = 533,071.13/x
  3. Step 3: Cross multiply
    985,780.13x = 1,360,376.64 × 533,071.13
  4. Step 4: Simplify right side
    985,780.13x = 725,177,505,908.52
  5. Step 5: Solve for x
    x = 725,177,505,908.52/985,780.13
  6. Step 6: Final answer
    x = 735,638.19

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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.