Home / 406,445.04-560,528.64-263,055.60

Finding the Fourth Proportional to 406,445.04, 560,528.64 and 263,055.60

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Solution

The fourth proportional to 406,445.04, 560,528.64 and 263,055.60 is: 362,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,445.04 : 560,528.64 = 263,055.60 : x
  2. Step 2: Convert to fraction form
    406,445.04/560,528.64 = 263,055.60/x
  3. Step 3: Cross multiply
    406,445.04x = 560,528.64 × 263,055.60
  4. Step 4: Simplify right side
    406,445.04x = 147,450,197,712.38
  5. Step 5: Solve for x
    x = 147,450,197,712.38/406,445.04
  6. Step 6: Final answer
    x = 362,780.16

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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.