Home / 1,006,739.40-1,389,300.59-554,030.40

Finding the Fourth Proportional to 1,006,739.40, 1,389,300.59 and 554,030.40

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Solution

The fourth proportional to 1,006,739.40, 1,389,300.59 and 554,030.40 is: 764,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,739.40 : 1,389,300.59 = 554,030.40 : x
  2. Step 2: Convert to fraction form
    1,006,739.40/1,389,300.59 = 554,030.40/x
  3. Step 3: Cross multiply
    1,006,739.40x = 1,389,300.59 × 554,030.40
  4. Step 4: Simplify right side
    1,006,739.40x = 769,714,758,465.67
  5. Step 5: Solve for x
    x = 769,714,758,465.67/1,006,739.40
  6. Step 6: Final answer
    x = 764,562.07

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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.