Home / 972,043.08-1,341,486.81-542,406.93

Finding the Fourth Proportional to 972,043.08, 1,341,486.81 and 542,406.93

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Solution

The fourth proportional to 972,043.08, 1,341,486.81 and 542,406.93 is: 748,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,043.08 : 1,341,486.81 = 542,406.93 : x
  2. Step 2: Convert to fraction form
    972,043.08/1,341,486.81 = 542,406.93/x
  3. Step 3: Cross multiply
    972,043.08x = 1,341,486.81 × 542,406.93
  4. Step 4: Simplify right side
    972,043.08x = 727,631,742,247.59
  5. Step 5: Solve for x
    x = 727,631,742,247.59/972,043.08
  6. Step 6: Final answer
    x = 748,559.15

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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.