Home / 712,886.63-983,541.35-406,743.08

Finding the Fourth Proportional to 712,886.63, 983,541.35 and 406,743.08

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Solution

The fourth proportional to 712,886.63, 983,541.35 and 406,743.08 is: 561,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,886.63 : 983,541.35 = 406,743.08 : x
  2. Step 2: Convert to fraction form
    712,886.63/983,541.35 = 406,743.08/x
  3. Step 3: Cross multiply
    712,886.63x = 983,541.35 × 406,743.08
  4. Step 4: Simplify right side
    712,886.63x = 400,048,634,105.51
  5. Step 5: Solve for x
    x = 400,048,634,105.51/712,886.63
  6. Step 6: Final answer
    x = 561,167.26

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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.