Home / 1,009,348.74-1,392,804.45-556,610.58

Finding the Fourth Proportional to 1,009,348.74, 1,392,804.45 and 556,610.58

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Solution

The fourth proportional to 1,009,348.74, 1,392,804.45 and 556,610.58 is: 768,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,348.74 : 1,392,804.45 = 556,610.58 : x
  2. Step 2: Convert to fraction form
    1,009,348.74/1,392,804.45 = 556,610.58/x
  3. Step 3: Cross multiply
    1,009,348.74x = 1,392,804.45 × 556,610.58
  4. Step 4: Simplify right side
    1,009,348.74x = 775,249,692,741.08
  5. Step 5: Solve for x
    x = 775,249,692,741.08/1,009,348.74
  6. Step 6: Final answer
    x = 768,069.21

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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.