Home / 935,870.39-1,291,501.13-506,150.51

Finding the Fourth Proportional to 935,870.39, 1,291,501.13 and 506,150.51

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Solution

The fourth proportional to 935,870.39, 1,291,501.13 and 506,150.51 is: 698,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,870.39 : 1,291,501.13 = 506,150.51 : x
  2. Step 2: Convert to fraction form
    935,870.39/1,291,501.13 = 506,150.51/x
  3. Step 3: Cross multiply
    935,870.39x = 1,291,501.13 × 506,150.51
  4. Step 4: Simplify right side
    935,870.39x = 653,693,955,615.08
  5. Step 5: Solve for x
    x = 653,693,955,615.08/935,870.39
  6. Step 6: Final answer
    x = 698,487.70

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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.