Home / 1,065,746.16-1,590,844.56-931,224

Finding the Fourth Proportional to 1,065,746.16, 1,590,844.56 and 931,224

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Solution

The fourth proportional to 1,065,746.16, 1,590,844.56 and 931,224 is: 1,390,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,746.16 : 1,590,844.56 = 931,224 : x
  2. Step 2: Convert to fraction form
    1,065,746.16/1,590,844.56 = 931,224/x
  3. Step 3: Cross multiply
    1,065,746.16x = 1,590,844.56 × 931,224
  4. Step 4: Simplify right side
    1,065,746.16x = 1,481,432,634,541.44
  5. Step 5: Solve for x
    x = 1,481,432,634,541.44/1,065,746.16
  6. Step 6: Final answer
    x = 1,390,042.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.