Home / 832,303.61-1,148,455.83-505,446.64

Finding the Fourth Proportional to 832,303.61, 1,148,455.83 and 505,446.64

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Solution

The fourth proportional to 832,303.61, 1,148,455.83 and 505,446.64 is: 697,441.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,303.61 : 1,148,455.83 = 505,446.64 : x
  2. Step 2: Convert to fraction form
    832,303.61/1,148,455.83 = 505,446.64/x
  3. Step 3: Cross multiply
    832,303.61x = 1,148,455.83 × 505,446.64
  4. Step 4: Simplify right side
    832,303.61x = 580,483,139,486.20
  5. Step 5: Solve for x
    x = 580,483,139,486.20/832,303.61
  6. Step 6: Final answer
    x = 697,441.57

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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.