Home / 692,345.40-1,036,705.05-556,688.40

Finding the Fourth Proportional to 692,345.40, 1,036,705.05 and 556,688.40

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Solution

The fourth proportional to 692,345.40, 1,036,705.05 and 556,688.40 is: 833,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,345.40 : 1,036,705.05 = 556,688.40 : x
  2. Step 2: Convert to fraction form
    692,345.40/1,036,705.05 = 556,688.40/x
  3. Step 3: Cross multiply
    692,345.40x = 1,036,705.05 × 556,688.40
  4. Step 4: Simplify right side
    692,345.40x = 577,121,675,556.42
  5. Step 5: Solve for x
    x = 577,121,675,556.42/692,345.40
  6. Step 6: Final answer
    x = 833,574.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.