Home / 719,364.95-992,723.67-397,075.13

Finding the Fourth Proportional to 719,364.95, 992,723.67 and 397,075.13

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Solution

The fourth proportional to 719,364.95, 992,723.67 and 397,075.13 is: 547,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,364.95 : 992,723.67 = 397,075.13 : x
  2. Step 2: Convert to fraction form
    719,364.95/992,723.67 = 397,075.13/x
  3. Step 3: Cross multiply
    719,364.95x = 992,723.67 × 397,075.13
  4. Step 4: Simplify right side
    719,364.95x = 394,185,875,355.71
  5. Step 5: Solve for x
    x = 394,185,875,355.71/719,364.95
  6. Step 6: Final answer
    x = 547,963.70

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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.