Home / 1,584,496-2,186,608.08-905,430.88

Finding the Fourth Proportional to 1,584,496, 2,186,608.08 and 905,430.88

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Solution

The fourth proportional to 1,584,496, 2,186,608.08 and 905,430.88 is: 1,249,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,496 : 2,186,608.08 = 905,430.88 : x
  2. Step 2: Convert to fraction form
    1,584,496/2,186,608.08 = 905,430.88/x
  3. Step 3: Cross multiply
    1,584,496x = 2,186,608.08 × 905,430.88
  4. Step 4: Simplify right side
    1,584,496x = 1,979,822,478,089.51
  5. Step 5: Solve for x
    x = 1,979,822,478,089.51/1,584,496
  6. Step 6: Final answer
    x = 1,249,496.67

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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.