Home / 935,857.28-1,291,483.86-506,137.40

Finding the Fourth Proportional to 935,857.28, 1,291,483.86 and 506,137.40

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Solution

The fourth proportional to 935,857.28, 1,291,483.86 and 506,137.40 is: 698,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,857.28 : 1,291,483.86 = 506,137.40 : x
  2. Step 2: Convert to fraction form
    935,857.28/1,291,483.86 = 506,137.40/x
  3. Step 3: Cross multiply
    935,857.28x = 1,291,483.86 × 506,137.40
  4. Step 4: Simplify right side
    935,857.28x = 653,668,283,042.36
  5. Step 5: Solve for x
    x = 653,668,283,042.36/935,857.28
  6. Step 6: Final answer
    x = 698,470.05

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1.5x scale

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.