Home / 779,096.48-1,075,326.48-506,690.72

Finding the Fourth Proportional to 779,096.48, 1,075,326.48 and 506,690.72

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Solution

The fourth proportional to 779,096.48, 1,075,326.48 and 506,690.72 is: 699,345.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,096.48 : 1,075,326.48 = 506,690.72 : x
  2. Step 2: Convert to fraction form
    779,096.48/1,075,326.48 = 506,690.72/x
  3. Step 3: Cross multiply
    779,096.48x = 1,075,326.48 × 506,690.72
  4. Step 4: Simplify right side
    779,096.48x = 544,857,948,386.27
  5. Step 5: Solve for x
    x = 544,857,948,386.27/779,096.48
  6. Step 6: Final answer
    x = 699,345.92

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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.