Home / 1,286,047.64-1,774,582.63-705,117.90

Finding the Fourth Proportional to 1,286,047.64, 1,774,582.63 and 705,117.90

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Solution

The fourth proportional to 1,286,047.64, 1,774,582.63 and 705,117.90 is: 972,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,047.64 : 1,774,582.63 = 705,117.90 : x
  2. Step 2: Convert to fraction form
    1,286,047.64/1,774,582.63 = 705,117.90/x
  3. Step 3: Cross multiply
    1,286,047.64x = 1,774,582.63 × 705,117.90
  4. Step 4: Simplify right side
    1,286,047.64x = 1,251,289,977,442.08
  5. Step 5: Solve for x
    x = 1,251,289,977,442.08/1,286,047.64
  6. Step 6: Final answer
    x = 972,973.27

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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.