Home / 935,717.69-1,402,413.75-429,741.88

Finding the Fourth Proportional to 935,717.69, 1,402,413.75 and 429,741.88

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Solution

The fourth proportional to 935,717.69, 1,402,413.75 and 429,741.88 is: 644,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,717.69 : 1,402,413.75 = 429,741.88 : x
  2. Step 2: Convert to fraction form
    935,717.69/1,402,413.75 = 429,741.88/x
  3. Step 3: Cross multiply
    935,717.69x = 1,402,413.75 × 429,741.88
  4. Step 4: Simplify right side
    935,717.69x = 602,675,917,956.82
  5. Step 5: Solve for x
    x = 602,675,917,956.82/935,717.69
  6. Step 6: Final answer
    x = 644,078.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.