Home / 719,193.60-992,510.34-409,088.16

Finding the Fourth Proportional to 719,193.60, 992,510.34 and 409,088.16

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Solution

The fourth proportional to 719,193.60, 992,510.34 and 409,088.16 is: 564,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,193.60 : 992,510.34 = 409,088.16 : x
  2. Step 2: Convert to fraction form
    719,193.60/992,510.34 = 409,088.16/x
  3. Step 3: Cross multiply
    719,193.60x = 992,510.34 × 409,088.16
  4. Step 4: Simplify right side
    719,193.60x = 406,024,228,771.57
  5. Step 5: Solve for x
    x = 406,024,228,771.57/719,193.60
  6. Step 6: Final answer
    x = 564,554.84

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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.