Home / 1,184,139.54-1,634,113.70-640,275.18

Finding the Fourth Proportional to 1,184,139.54, 1,634,113.70 and 640,275.18

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Solution

The fourth proportional to 1,184,139.54, 1,634,113.70 and 640,275.18 is: 883,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,139.54 : 1,634,113.70 = 640,275.18 : x
  2. Step 2: Convert to fraction form
    1,184,139.54/1,634,113.70 = 640,275.18/x
  3. Step 3: Cross multiply
    1,184,139.54x = 1,634,113.70 × 640,275.18
  4. Step 4: Simplify right side
    1,184,139.54x = 1,046,282,443,407.97
  5. Step 5: Solve for x
    x = 1,046,282,443,407.97/1,184,139.54
  6. Step 6: Final answer
    x = 883,580.36

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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.