Home / 983,353.77-1,357,053.75-553,649.58

Finding the Fourth Proportional to 983,353.77, 1,357,053.75 and 553,649.58

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Solution

The fourth proportional to 983,353.77, 1,357,053.75 and 553,649.58 is: 764,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,353.77 : 1,357,053.75 = 553,649.58 : x
  2. Step 2: Convert to fraction form
    983,353.77/1,357,053.75 = 553,649.58/x
  3. Step 3: Cross multiply
    983,353.77x = 1,357,053.75 × 553,649.58
  4. Step 4: Simplify right side
    983,353.77x = 751,332,238,724.93
  5. Step 5: Solve for x
    x = 751,332,238,724.93/983,353.77
  6. Step 6: Final answer
    x = 764,050.80

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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.