Home / 912,592.44-1,258,997.02-525,315.20

Finding the Fourth Proportional to 912,592.44, 1,258,997.02 and 525,315.20

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Solution

The fourth proportional to 912,592.44, 1,258,997.02 and 525,315.20 is: 724,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,592.44 : 1,258,997.02 = 525,315.20 : x
  2. Step 2: Convert to fraction form
    912,592.44/1,258,997.02 = 525,315.20/x
  3. Step 3: Cross multiply
    912,592.44x = 1,258,997.02 × 525,315.20
  4. Step 4: Simplify right side
    912,592.44x = 661,370,263,752.43
  5. Step 5: Solve for x
    x = 661,370,263,752.43/912,592.44
  6. Step 6: Final answer
    x = 724,715.91

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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.