Home / 750,923.22-1,036,275.10-406,762.90

Finding the Fourth Proportional to 750,923.22, 1,036,275.10 and 406,762.90

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Solution

The fourth proportional to 750,923.22, 1,036,275.10 and 406,762.90 is: 561,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,923.22 : 1,036,275.10 = 406,762.90 : x
  2. Step 2: Convert to fraction form
    750,923.22/1,036,275.10 = 406,762.90/x
  3. Step 3: Cross multiply
    750,923.22x = 1,036,275.10 × 406,762.90
  4. Step 4: Simplify right side
    750,923.22x = 421,518,264,873.79
  5. Step 5: Solve for x
    x = 421,518,264,873.79/750,923.22
  6. Step 6: Final answer
    x = 561,333.37

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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.