Home / 935,870.89-1,291,501.82-506,151.01

Finding the Fourth Proportional to 935,870.89, 1,291,501.82 and 506,151.01

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Solution

The fourth proportional to 935,870.89, 1,291,501.82 and 506,151.01 is: 698,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,870.89 : 1,291,501.82 = 506,151.01 : x
  2. Step 2: Convert to fraction form
    935,870.89/1,291,501.82 = 506,151.01/x
  3. Step 3: Cross multiply
    935,870.89x = 1,291,501.82 × 506,151.01
  4. Step 4: Simplify right side
    935,870.89x = 653,694,950,609.84
  5. Step 5: Solve for x
    x = 653,694,950,609.84/935,870.89
  6. Step 6: Final answer
    x = 698,488.39

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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.