Home / 1,223,263.85-1,688,094.14-671,988.78

Finding the Fourth Proportional to 1,223,263.85, 1,688,094.14 and 671,988.78

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Solution

The fourth proportional to 1,223,263.85, 1,688,094.14 and 671,988.78 is: 927,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,263.85 : 1,688,094.14 = 671,988.78 : x
  2. Step 2: Convert to fraction form
    1,223,263.85/1,688,094.14 = 671,988.78/x
  3. Step 3: Cross multiply
    1,223,263.85x = 1,688,094.14 × 671,988.78
  4. Step 4: Simplify right side
    1,223,263.85x = 1,134,380,318,303.81
  5. Step 5: Solve for x
    x = 1,134,380,318,303.81/1,223,263.85
  6. Step 6: Final answer
    x = 927,339.04

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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.