Home / 827,312.12-1,141,566.40-464,666.53

Finding the Fourth Proportional to 827,312.12, 1,141,566.40 and 464,666.53

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Solution

The fourth proportional to 827,312.12, 1,141,566.40 and 464,666.53 is: 641,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,312.12 : 1,141,566.40 = 464,666.53 : x
  2. Step 2: Convert to fraction form
    827,312.12/1,141,566.40 = 464,666.53/x
  3. Step 3: Cross multiply
    827,312.12x = 1,141,566.40 × 464,666.53
  4. Step 4: Simplify right side
    827,312.12x = 530,447,697,852.59
  5. Step 5: Solve for x
    x = 530,447,697,852.59/827,312.12
  6. Step 6: Final answer
    x = 641,169.98

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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.