Home / 1,223,184.29-1,688,050.26-679,322.34

Finding the Fourth Proportional to 1,223,184.29, 1,688,050.26 and 679,322.34

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Solution

The fourth proportional to 1,223,184.29, 1,688,050.26 and 679,322.34 is: 937,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,184.29 : 1,688,050.26 = 679,322.34 : x
  2. Step 2: Convert to fraction form
    1,223,184.29/1,688,050.26 = 679,322.34/x
  3. Step 3: Cross multiply
    1,223,184.29x = 1,688,050.26 × 679,322.34
  4. Step 4: Simplify right side
    1,223,184.29x = 1,146,730,252,660.81
  5. Step 5: Solve for x
    x = 1,146,730,252,660.81/1,223,184.29
  6. Step 6: Final answer
    x = 937,495.90

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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.