Home / 1,190,146.40-1,642,400.16-653,602.40

Finding the Fourth Proportional to 1,190,146.40, 1,642,400.16 and 653,602.40

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Solution

The fourth proportional to 1,190,146.40, 1,642,400.16 and 653,602.40 is: 901,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,146.40 : 1,642,400.16 = 653,602.40 : x
  2. Step 2: Convert to fraction form
    1,190,146.40/1,642,400.16 = 653,602.40/x
  3. Step 3: Cross multiply
    1,190,146.40x = 1,642,400.16 × 653,602.40
  4. Step 4: Simplify right side
    1,190,146.40x = 1,073,476,686,336.38
  5. Step 5: Solve for x
    x = 1,073,476,686,336.38/1,190,146.40
  6. Step 6: Final answer
    x = 901,970.28

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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.