Home / 1,036,677.51-1,554,911.16-278,420.46

Finding the Fourth Proportional to 1,036,677.51, 1,554,911.16 and 278,420.46

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Solution

The fourth proportional to 1,036,677.51, 1,554,911.16 and 278,420.46 is: 417,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,677.51 : 1,554,911.16 = 278,420.46 : x
  2. Step 2: Convert to fraction form
    1,036,677.51/1,554,911.16 = 278,420.46/x
  3. Step 3: Cross multiply
    1,036,677.51x = 1,554,911.16 × 278,420.46
  4. Step 4: Simplify right side
    1,036,677.51x = 432,919,080,426.33
  5. Step 5: Solve for x
    x = 432,919,080,426.33/1,036,677.51
  6. Step 6: Final answer
    x = 417,602.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.