Home / 707,140.48-975,835.04-384,843.60

Finding the Fourth Proportional to 707,140.48, 975,835.04 and 384,843.60

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Solution

The fourth proportional to 707,140.48, 975,835.04 and 384,843.60 is: 531,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,140.48 : 975,835.04 = 384,843.60 : x
  2. Step 2: Convert to fraction form
    707,140.48/975,835.04 = 384,843.60/x
  3. Step 3: Cross multiply
    707,140.48x = 975,835.04 × 384,843.60
  4. Step 4: Simplify right side
    707,140.48x = 375,543,869,799.74
  5. Step 5: Solve for x
    x = 375,543,869,799.74/707,140.48
  6. Step 6: Final answer
    x = 531,073.92

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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.