Home / 943,349.10-1,301,619.51-561,301.26

Finding the Fourth Proportional to 943,349.10, 1,301,619.51 and 561,301.26

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Solution

The fourth proportional to 943,349.10, 1,301,619.51 and 561,301.26 is: 774,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,349.10 : 1,301,619.51 = 561,301.26 : x
  2. Step 2: Convert to fraction form
    943,349.10/1,301,619.51 = 561,301.26/x
  3. Step 3: Cross multiply
    943,349.10x = 1,301,619.51 × 561,301.26
  4. Step 4: Simplify right side
    943,349.10x = 730,600,671,003.58
  5. Step 5: Solve for x
    x = 730,600,671,003.58/943,349.10
  6. Step 6: Final answer
    x = 774,475.40

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Half scale
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Double scale
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Similar ratio
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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.