Home / 774,994.84-1,069,856.10-517,307.11

Finding the Fourth Proportional to 774,994.84, 1,069,856.10 and 517,307.11

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Solution

The fourth proportional to 774,994.84, 1,069,856.10 and 517,307.11 is: 714,126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,994.84 : 1,069,856.10 = 517,307.11 : x
  2. Step 2: Convert to fraction form
    774,994.84/1,069,856.10 = 517,307.11/x
  3. Step 3: Cross multiply
    774,994.84x = 1,069,856.10 × 517,307.11
  4. Step 4: Simplify right side
    774,994.84x = 553,444,164,532.23
  5. Step 5: Solve for x
    x = 553,444,164,532.23/774,994.84
  6. Step 6: Final answer
    x = 714,126.26

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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.