Home / 1,008,811.84-1,392,159.84-556,110.40

Finding the Fourth Proportional to 1,008,811.84, 1,392,159.84 and 556,110.40

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Solution

The fourth proportional to 1,008,811.84, 1,392,159.84 and 556,110.40 is: 767,432.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,811.84 : 1,392,159.84 = 556,110.40 : x
  2. Step 2: Convert to fraction form
    1,008,811.84/1,392,159.84 = 556,110.40/x
  3. Step 3: Cross multiply
    1,008,811.84x = 1,392,159.84 × 556,110.40
  4. Step 4: Simplify right side
    1,008,811.84x = 774,194,565,486.34
  5. Step 5: Solve for x
    x = 774,194,565,486.34/1,008,811.84
  6. Step 6: Final answer
    x = 767,432.08

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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.