Home / 877,452.20-1,210,772.72-514,743.72

Finding the Fourth Proportional to 877,452.20, 1,210,772.72 and 514,743.72

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Solution

The fourth proportional to 877,452.20, 1,210,772.72 and 514,743.72 is: 710,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,452.20 : 1,210,772.72 = 514,743.72 : x
  2. Step 2: Convert to fraction form
    877,452.20/1,210,772.72 = 514,743.72/x
  3. Step 3: Cross multiply
    877,452.20x = 1,210,772.72 × 514,743.72
  4. Step 4: Simplify right side
    877,452.20x = 623,237,653,967.32
  5. Step 5: Solve for x
    x = 623,237,653,967.32/877,452.20
  6. Step 6: Final answer
    x = 710,281.03

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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.