Home / 943,216.77-1,301,808.90-556,009.11

Finding the Fourth Proportional to 943,216.77, 1,301,808.90 and 556,009.11

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Solution

The fourth proportional to 943,216.77, 1,301,808.90 and 556,009.11 is: 767,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,216.77 : 1,301,808.90 = 556,009.11 : x
  2. Step 2: Convert to fraction form
    943,216.77/1,301,808.90 = 556,009.11/x
  3. Step 3: Cross multiply
    943,216.77x = 1,301,808.90 × 556,009.11
  4. Step 4: Simplify right side
    943,216.77x = 723,817,607,879.08
  5. Step 5: Solve for x
    x = 723,817,607,879.08/943,216.77
  6. Step 6: Final answer
    x = 767,392.64

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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.