Home / 935,870.64-1,291,501.48-506,150.76

Finding the Fourth Proportional to 935,870.64, 1,291,501.48 and 506,150.76

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Solution

The fourth proportional to 935,870.64, 1,291,501.48 and 506,150.76 is: 698,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,870.64 : 1,291,501.48 = 506,150.76 : x
  2. Step 2: Convert to fraction form
    935,870.64/1,291,501.48 = 506,150.76/x
  3. Step 3: Cross multiply
    935,870.64x = 1,291,501.48 × 506,150.76
  4. Step 4: Simplify right side
    935,870.64x = 653,694,455,643.13
  5. Step 5: Solve for x
    x = 653,694,455,643.13/935,870.64
  6. Step 6: Final answer
    x = 698,488.05

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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.