Home / 986,095.14-1,360,875.48-556,218.42

Finding the Fourth Proportional to 986,095.14, 1,360,875.48 and 556,218.42

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Solution

The fourth proportional to 986,095.14, 1,360,875.48 and 556,218.42 is: 767,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,095.14 : 1,360,875.48 = 556,218.42 : x
  2. Step 2: Convert to fraction form
    986,095.14/1,360,875.48 = 556,218.42/x
  3. Step 3: Cross multiply
    986,095.14x = 1,360,875.48 × 556,218.42
  4. Step 4: Simplify right side
    986,095.14x = 756,944,009,302.34
  5. Step 5: Solve for x
    x = 756,944,009,302.34/986,095.14
  6. Step 6: Final answer
    x = 767,617.62

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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.