Home / 830,550.51-1,146,159.72-448,577.19

Finding the Fourth Proportional to 830,550.51, 1,146,159.72 and 448,577.19

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Solution

The fourth proportional to 830,550.51, 1,146,159.72 and 448,577.19 is: 619,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,550.51 : 1,146,159.72 = 448,577.19 : x
  2. Step 2: Convert to fraction form
    830,550.51/1,146,159.72 = 448,577.19/x
  3. Step 3: Cross multiply
    830,550.51x = 1,146,159.72 × 448,577.19
  4. Step 4: Simplify right side
    830,550.51x = 514,141,106,488.79
  5. Step 5: Solve for x
    x = 514,141,106,488.79/830,550.51
  6. Step 6: Final answer
    x = 619,036.53

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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.