Home / 971,803.61-1,341,091.14-542,111.57

Finding the Fourth Proportional to 971,803.61, 1,341,091.14 and 542,111.57

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Solution

The fourth proportional to 971,803.61, 1,341,091.14 and 542,111.57 is: 748,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,803.61 : 1,341,091.14 = 542,111.57 : x
  2. Step 2: Convert to fraction form
    971,803.61/1,341,091.14 = 542,111.57/x
  3. Step 3: Cross multiply
    971,803.61x = 1,341,091.14 × 542,111.57
  4. Step 4: Simplify right side
    971,803.61x = 727,021,025,415.94
  5. Step 5: Solve for x
    x = 727,021,025,415.94/971,803.61
  6. Step 6: Final answer
    x = 748,115.17

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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.