Home / 1,008,756.48-1,392,088.32-556,037.76

Finding the Fourth Proportional to 1,008,756.48, 1,392,088.32 and 556,037.76

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Solution

The fourth proportional to 1,008,756.48, 1,392,088.32 and 556,037.76 is: 767,334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,756.48 : 1,392,088.32 = 556,037.76 : x
  2. Step 2: Convert to fraction form
    1,008,756.48/1,392,088.32 = 556,037.76/x
  3. Step 3: Cross multiply
    1,008,756.48x = 1,392,088.32 × 556,037.76
  4. Step 4: Simplify right side
    1,008,756.48x = 774,053,671,174.96
  5. Step 5: Solve for x
    x = 774,053,671,174.96/1,008,756.48
  6. Step 6: Final answer
    x = 767,334.52

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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.