Home / 1,036,697.51-1,554,941.10-278,440.45

Finding the Fourth Proportional to 1,036,697.51, 1,554,941.10 and 278,440.45

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Solution

The fourth proportional to 1,036,697.51, 1,554,941.10 and 278,440.45 is: 417,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,697.51 : 1,554,941.10 = 278,440.45 : x
  2. Step 2: Convert to fraction form
    1,036,697.51/1,554,941.10 = 278,440.45/x
  3. Step 3: Cross multiply
    1,036,697.51x = 1,554,941.10 × 278,440.45
  4. Step 4: Simplify right side
    1,036,697.51x = 432,958,499,607.50
  5. Step 5: Solve for x
    x = 432,958,499,607.50/1,036,697.51
  6. Step 6: Final answer
    x = 417,632.43

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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.