Home / 1,010,981.04-1,395,154.08-558,271.68

Finding the Fourth Proportional to 1,010,981.04, 1,395,154.08 and 558,271.68

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Solution

The fourth proportional to 1,010,981.04, 1,395,154.08 and 558,271.68 is: 770,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,981.04 : 1,395,154.08 = 558,271.68 : x
  2. Step 2: Convert to fraction form
    1,010,981.04/1,395,154.08 = 558,271.68/x
  3. Step 3: Cross multiply
    1,010,981.04x = 1,395,154.08 × 558,271.68
  4. Step 4: Simplify right side
    1,010,981.04x = 778,875,012,100.46
  5. Step 5: Solve for x
    x = 778,875,012,100.46/1,010,981.04
  6. Step 6: Final answer
    x = 770,415.05

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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.